Low-viscosity allophanates having actinically hardenable groups

Patent (2007)

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter ... [more ▼]

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen enthalten, ein Verfahren zu ihrer Herstellung sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

METHOD FOR PURIFYING ELECTRICALLY CHARGED POLYSACCHARIDES AND POLYSACCHARIDE-PROTEIN COMPLEX FORMED DURING SAID PROCESS

Patent (2007)

Production of novel radiation-hardening binding agents

Patent (2006)

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung neuartiger Bindemittel, die unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation ... [more ▼]

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung neuartiger Bindemittel, die unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen und gegebenenfalls auch gegenüber Isocyanaten reaktive Gruppen aufweisen, sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

Production of novel radiation-hardening binding agents

Patent (2006)

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally ... [more ▼]

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally also isocyanate-reactive groups. The invention also relates to the use of said binding agents in coating substances. [less ▲]

Method and kit for the measurement of neutrophil cell activation

Patent (2006)

The present invention is related to methods and kits (or devices) for the measurement of equine myeloperoxidase (MPO), a specific enzyme of equine neutrophils, either in total [first method], or ... [more ▼]

The present invention is related to methods and kits (or devices) for the measurement of equine myeloperoxidase (MPO), a specific enzyme of equine neutrophils, either in total [first method], or specifically in its active form [second method]. Said methods and kits (or devices), used independently or in combination, find improved applications in the veterinary field and can be adapted for application in human health care. The concept of the second method is applicable to any other enzyme. [less ▲]

Radiation-curing binders and a process for their preparation

Patent (2006)

The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic ... [more ▼]

The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures <=130 DEG C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of >=2, in the presence of D) a catalyst containing one or more zinc compounds, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups. The present invention also relates to the binders obtained by the pro cess of the invention. [less ▲]

Low viscosity allophanates containing actinically curable groups

Patent (2006)

PROBLEM TO BE SOLVED: To provide a process for producing a radiation-curing binder containing an allophanate group; and to provide the binder obtained by the process, and a coating composition containing ... [more ▼]

PROBLEM TO BE SOLVED: To provide a process for producing a radiation-curing binder containing an allophanate group; and to provide the binder obtained by the process, and a coating composition containing the binder. ; SOLUTION: The process comprises reacting at a temperature of <=130[deg.]C (A) one or more compounds containing uretdione groups with (B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), (C) optionally NCO-reactive compounds other than (B) in the presence of (D) a catalyst containing at least one zinc compound to form allophanate groups by opening the uretdione ring. [less ▲]

The in situ polymerization of monoethylenically unsaturated monomers with oligomeric or polymeric secondary amines

Patent (2006)

A process for the preparation of (co)oligomers or (co)polymers is disclosed. The process entails first the preparation of a mixture that contains a monoethylenically unsaturated monomer conforming to HR<1 ... [more ▼]

A process for the preparation of (co)oligomers or (co)polymers is disclosed. The process entails first the preparation of a mixture that contains a monoethylenically unsaturated monomer conforming to HR<1>C = CR<2>R<3> an oxidizing agent and at least one polymer or oligomer conforming to formula (I), <CHEM> and an optional free radical initiator and then heating the mixture at a temperature in the range of 0 DEG C to 220 DEG C. [less ▲]

Low-viscosity allophanates having actinically hardenable groups

Patent (2006)

A radiation-curing binder containing allophanate groups is prepared by reacting at =130[deg]C compound(s) containing uretdione groups with OH-functional compounds containing groups reacting with ... [more ▼]

A radiation-curing binder containing allophanate groups is prepared by reacting at =130[deg]C compound(s) containing uretdione groups with OH-functional compounds containing groups reacting with polymerization with ethylenically unsaturated compounds on exposure to actinic radiation, optionally other NCO-reactive compounds, in the presence of a catalyst comprising at least one zinc compound to form allophanate groups by opening the uretdione ring. Independent claims are also included for: (A) a coating composition comprising the radiation-curing binder(s) containing allophanate groups, optionally polyisocyanate(s) containing free or blocked isocyanate groups, which are free from groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation, optionally other compounds containing groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation, and optionally contain free or blocked NCO groups, optionally one or more isocyanate-reactive compounds, initiator(s), and optionally solvents; and (B) a substrate coated with a coating obtained from the radiation-curing binder containing allophanate groups. [less ▲]

Herstellung von neuen strahlenhärtbarenden Bindemitteln

Patent (2006)

A binder is prepared by reacting isocyanate-functional compound(s) containing uretdione groups; compounds that contain isocyanate-reactive groups and contain groups that react with ethylenically ... [more ▼]

A binder is prepared by reacting isocyanate-functional compound(s) containing uretdione groups; compounds that contain isocyanate-reactive groups and contain groups that react with ethylenically unsaturated compounds; saturated, hydroxyl-containing compound(s); and a catalyst containing ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids. Preparation of a binder containing allophanate groups, groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and optionally isocyanate (NCO)-reactive groups, which comprises reacting at 130[deg]C NCO-functional compound(s) containing uretdione groups; compounds that contain isocyanate-reactive groups and contain groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups); saturated, hydroxyl-containing compound(s), at least one of these compounds having an OH functionality of 2; and a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction hydroxyl-containing compounds taking place at least proportionally with the formation of allophanate groups. An independent claim is also included for a coating composition comprising: (1) binders; (2) optionally polyisocyanate(s) which contain free or blocked isocyanate groups and optionally contain groups which react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation; (3) optionally compounds other than the polyisocyanate(s) which contain groups which react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation and optionally contain NCO-reactive groups; (4) optionally isocyanate-reactive compound(s) which are free from groups which react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation; and (5) initiators. [less ▲]

Radiation-curing binders and a process for their preparation

Patent (2006)

The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic ... [more ▼]

The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures <=130 DEG C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of >=2, in the presence of D) a catalyst containing one or more zinc compounds, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups. The present invention also relates to the binders obtained by the process of the invention. [less ▲]

Low viscosity allophanates containing actinically curable groups

Patent (2006)

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of .ltoreq.130.degree.C A) one or more compounds containing ... [more ▼]

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of .ltoreq.130.degree.C A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react , with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention and to coating compositions containing these binders. [less ▲]

Procédé et dispositif de production d'énergie en présence de circuit magnétique (page17)

Patent (2006)

Niedrigviskose Allophanate mit aktinisch härtbaren Gruppen

Patent (2005)

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter ... [more ▼]

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen enthalten, ein Verfahren zu ihrer Herstellung sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

Production of novel radiation-hardening binding agents

Patent (2005)

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally ... [more ▼]

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally also isocyanate-reactive groups. The invention also relates to the use of said binding agents in coating substances. [less ▲]

Production of novel radiation-hardening binding agents

Patent (2005)

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally ... [more ▼]

The invention relates to a method for producing novel binding agents comprising groups reacting with polymerising ethylenically unsaturated compounds under the action of actinic radiation and optionally also isocyana te- reactive groups. The invention also relates to the use of said binding agent s in coating substances. [less ▲]

Novel xylanases and their use

Patent (2005)

Low viscosity allophanates containing actinically curable groups

Patent (2005)

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable ... [more ▼]

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation; the process includes reacting A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and C) optionally further NCO-reactive compounds, and D) in the presence of one or more compounds containing phenoxide groups, as catalysts.; The binders can be used in preparing coatings, coating materials, coating compositions, adhesives, printing inks, casting resins, dental compounds, sizes, photoresists, stereolithography systems, resins for composite materials and sealants. [less ▲]

Preparation of fluorinated benzothiadiazine derivatives and their use as AMPA receptor modulators

Patent (2005)

Solar Concentrator

Patent (2005)

A concentrator based on a combination of Fresnel lens and mirror to incresa the efficiency and uniformity

Process for depositing strong adherend polymer coating onto an electrically conductive surface

Patent (2004)

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a ... [more ▼]

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a primer coating P onto said surface and having as general formula: X0 (meth)acrylate wherein X is either part of a preformed polymer or is an intermediate agent for polyaddition reaction or is an anchoring group for attachment of a molecule having at least one complementary reactive group. Such process allows formation of new primer by one-step electro-grafting of a reactive polymer called macromonomer.; Such process also allows further modification of an initial electrografted polymer (called primer coating) to increase the coating thickness by the so-called grafting-from technique i.e. polymerization of a second monomer or to introduce other types of polymers(also called top coating) via covalent attachment between the primer and the top coating through the X ester group by the so called grafting onto technique. Such process also allows to graft onto the primer coating compounds like functional polymer, peptide, protein, oligonucleotide, dyes, drugs, anti-bacterian compounds. [less ▲]

METHOD FOR MONITORING COLLAGEN TYPE II DEGRADATION IN CARTILAGE

Patent (2004)

A method for improving the diagnostic assessment of cartilage degenerative processes, and to provide means of monitoring the effects of therapeutical measures taken towards arthritic diseases in most ... [more ▼]

A method for improving the diagnostic assessment of cartilage degenerative processes, and to provide means of monitoring the effects of therapeutical measures taken towards arthritic diseases in most mammals ultizes an immunoassay to detect fragments of collagen type II resulting from collagenase activity comprising an antibody directed against an epitope comprised in the amino acid sequence HRGYPGLDG, located in the helical region of collagen type II. [less ▲]

Novel thiadiazine derivatives useful as AMPA receptor modulators, preparation method, and pharmaceutical compositions containing them

Patent (2004)

Solar Concentration

Patent (2004)

We propose a solar concentrator based on a combination of Fresnel lens and reflectors. This architecture allows for a better light distribution and a thinner lighweight concentrator.

Verfahren zur Veränderung des Gehalts von Speicherstoffen in Pflanzen

Patent (2004)

(FR) L'invention concerne un procédé de modification de la teneur en réserves de plantes, pour lequel on utilise des plantes modifiées exprimant de la leghémoglobine et/ou de l'hémoglobine. L'invention ... [more ▼]

(FR) L'invention concerne un procédé de modification de la teneur en réserves de plantes, pour lequel on utilise des plantes modifiées exprimant de la leghémoglobine et/ou de l'hémoglobine. L'invention concerne également les plantes correspondantes et leur utilisation. [less ▲]

In-situ polymerization of monoethylenically unsaturated monomers with secondary amines

Patent (2004)

PROBLEM TO BE SOLVED: To provide a novel process for producing a homopolymer, a random copolymer, or a block copolymer having a controlled molecular weight, a narrow molecular weight distribution, a high ... [more ▼]

PROBLEM TO BE SOLVED: To provide a novel process for producing a homopolymer, a random copolymer, or a block copolymer having a controlled molecular weight, a narrow molecular weight distribution, a high monomer conversion ratio, and a controlled structure. ; SOLUTION: The polymer having a controlled molecular weight, a narrow polydispersibility, a high monomer conversion ratio, and a controlled structure is produced by polymerizing a vinyl monomer during the formation of a mixture of a hindered secondary amine and an oxidizing agent at a relatively low temperature in a short reaction time. It is unnecessary to add a free radical initiator before polymerization. Further, it is unnecessary to preliminarily react the secondary amine with the oxidizing agent before adding the monomer. [less ▲]

Preparation method of (co)oligomer or (co)polymer by in-situ polymerization of monoethylenically unsaturated monomer and oligomer or polymer secondary amine to control molecular weight and molecular structure

Patent (2004)

PURPOSE: Provided is a method for preparing a (co)oligomer or a (co)polymer having a controlled molecular weight, a controlled molecular weight and a narrow polydispersity at a relatively low temperature ... [more ▼]

PURPOSE: Provided is a method for preparing a (co)oligomer or a (co)polymer having a controlled molecular weight, a controlled molecular weight and a narrow polydispersity at a relatively low temperature and for a short time. CONSTITUTION: The method comprises the steps of mixing at least one monoethylenically unsaturated monomer represented by HR1C=CR2R3, at least one oxidant, at least one polymer or oligomer represented by the formula 1, and optionally a free radical initiator; and heating the mixture at a temperature of 0-220 deg.C, wherein R1, R2 and R3 are independently H, a C1-C20 alkyl group, a C1-C20 cycloalkyl group, a C6-C24 aryl group, a halogen atom, a cyano group, a C1-C20 alkyl ester group, a C1-C20 cycloalkyl ester group, a C1-C20 alkylamide group, a C1-C20 cycloalkylamide group, a C6-C24 aryl ester group or a C6-C24 arylamide group; Y is an organic residue based on the monomer corresponding to HR1C=CR2R3; m is an integer of 1-50; n is an integer of 1-300; I1 is an initiator; and R4 and X are a secondary or tertiary carbon atom and are independently selected from the group consisting of a C1-C18 alkyl group, a C2-C18 alkenyl group, a C2-C18 alkynyl group, a C3-C12 cycloalkyl group, a C3-C12 hetero cycloalkyl group or a C6-C24 aryl group unsubstituted or substituted with NO2, a halogen atom, an amino group, a hydroxyl group, a cyano group, a carboxyl group, a ketone group, a C1-C4 alkoxy group, a C1-C4 alkylthio group or a C1-C4 alkylamino group. [less ▲]

Situ polymerization of monoethylenically unsaturated monomers with oligomeric or polymeric secondary amines

Patent (2004)

A process for the preparation of (co)oligomers or (co)polymers is disclosed. The process entails first the preparation of a mixture that contains a monoethylenically unsaturated monomer conforming to HR<1 ... [more ▼]

A process for the preparation of (co)oligomers or (co)polymers is disclosed. The process entails first the preparation of a mixture that contains a monoethylenically unsaturated monomer conforming to HR<1>C=CR<2>R<3> (M) an oxidizing agent and at least one polymer or oligomer conforming to formula (I), and an optional free radical initiator and then heating the mixture at a temperature in the range of 0 DEG C. to 220 DEG C. [less ▲]

In situ polymerization with monoethenoid unsaturation monomer of secondary amine

Patent (2004)

The present invention relates to a new process for the preparation of well-defined homopolymers, random and block copolymers using a mixture of a hindered secondary amine and an oxidizing agent, without ... [more ▼]

The present invention relates to a new process for the preparation of well-defined homopolymers, random and block copolymers using a mixture of a hindered secondary amine and an oxidizing agent, without any additional free-radical initiator. [less ▲]

The in-situ polymerization of monoethylenically unsaturated monomers with oligomeric or polymeric secondary amines

Patent (2004)

The present invention relates to a new process for the preparation of well-defined random and block polymers or copolymers using hindered secondary amine-oligomers or polymers.

The in situ polymerization of monoethylenically unsaturated monomers with oligomeric or polymeric secondary amines

Patent (2004)

The present invention relates to a new process for the preparation of well-defined random and block polymers or copolymers using hindered secondary amine-oligomers or polymers.

Process for depositing strong adherend polymer coating onto an electrically conductive surface

Patent (2004)

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a ... [more ▼]

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a primer coating P onto said surface and having as general formula: X0 (meth)acrylate wherein X is either part of a preformed polymer or is an intermediate agent for polyaddition reaction or is an anchoring group for attachment of a molecule having at least one complementary reactive group. Such process allows formation of new primer by one-step electro-grafting of a reactive polymer called macromonomer.; Such process also allows further modification of an initial electrografted polymer (called primer coating) to increase the coating thickness by the so-called grafting-from technique i.e. polymerization of a second monomer or to introduce other types of polymers(also called top coating) via covalent attachment between the primer and the top coating through the X ester group by the so called grafting onto technique. Such process also allows to graft onto the primer coating compounds like functional polymer, peptide, protein, oligonucleotide, dyes, drugs, anti-bacterian compounds. [less ▲]

Method for producing functionalized alkoxyamine initiator and use thereof

Patent (2004)

PROBLEM TO BE SOLVED: To provide a method for producing a functionalized alkoxyamine initiator and its use in radical polymerization process. ; SOLUTION: The invention provides a one-pot process for the ... [more ▼]

PROBLEM TO BE SOLVED: To provide a method for producing a functionalized alkoxyamine initiator and its use in radical polymerization process. ; SOLUTION: The invention provides a one-pot process for the production of a functionalized alkoxyamine of general formula (I) (for example, R<SP>1</SP>and R<SP>2</SP>are each H; R<SP>3</SP>is phenyl; and R<SP>4</SP>and R<SP>5</SP>together with nitrogen atom form an alicyclic 6-membered ring). The method includes (1) the formation of an aqueous phase and nitroxyl radical by reacting an oxidizing agent with a secondary amine having steric hindrance and (2) the removal of the aqueous phase and the addition of one or more vinyl monomers to the nitroxyl radical according to the method and system for the production of the radical. The invention further provides a monomer polymerization method using the functionalized alkoxyamine. [less ▲]

A process for the synthesis of alkoxyamines and their use in controlled radical polymerization

Patent (2004)

PROBLEM TO BE SOLVED: To provide a method for synthesizing an alkoxyamine, and to provide a method for using the same in controlled radical polymerization. ; SOLUTION: This method for synthesizing the ... [more ▼]

PROBLEM TO BE SOLVED: To provide a method for synthesizing an alkoxyamine, and to provide a method for using the same in controlled radical polymerization. ; SOLUTION: This method for synthesizing the alkoxyamine expressed by general formula (I) or (II) [preferably, general formula (I)] comprises a one-pot process, wherein the process includes (1) reacting an oxidizing agent (A) with a sterically hindered secondary amine of general formula (III) in a water-containing medium to form a reaction product and an aqueous phase, (2) removing the aqueous phase, and (3) adding a free radical initiator (B) to the reaction product under such a condition that decomposition of the initiator is promoted to generate free radicals. Further, a method for polymerizing a monomer, namely the method for using the alkoxyamine synthesized by the method with originality, is provided [less ▲]

Preparation of functionalized alkoxyamine initiator and its use

Patent (2004)

A one-pot process for the preparation of functional alkoxyamines of the general formula (I),is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to ... [more ▼]

A one-pot process for the preparation of functional alkoxyamines of the general formula (I),is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to produce an aqueous phase and a nitroxyl radical (2) removing the aqueous phase and adding to the nitroxyl radical one or more vinyl monomer(s) conforming to a formula and a system which produces free radicals. Also disclosed is a process of polymerizing monomers using the functional alkoxyamine. [less ▲]

One-pot process for the preparation of functionalized alkoxyamines

Patent (2004)

The present invention relates to a new one-pot process for the preparation of functionalized alkoxyamine initiators of the formula (I) <CHEM> from amines of the formula (II) <CHEM> and to a process of ... [more ▼]

The present invention relates to a new one-pot process for the preparation of functionalized alkoxyamine initiators of the formula (I) <CHEM> from amines of the formula (II) <CHEM> and to a process of controlled radical polymerization using the functionalized alkoxyamine as initiators. In the above formulae, R<1>-R<5> have the meanings given in the description. [less ▲]

Preparation of functionalized alkoxyamine initiator and its use

Patent (2003)

A one-pot process for the preparation of functional alkoxyamines of the general formula (I), is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to ... [more ▼]

A one-pot process for the preparation of functional alkoxyamines of the general formula (I), is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to produce an aqueous phase and a nitroxyl radical (2) removing the aqueous phase and adding to the nitroxyl radical one or more vinyl monomer(s) conforming to a formula and a system which produces free radicals. Also disclosed is a process of polymerizing monomers using the functional alkoxyamine. [less ▲]

A process for the synthesis of alkoxyamines and their use in controlled radical polymerization

Patent (2003)

A one-pot process for the preparation of alkoxyamines conforming to formulae (I) or (II), preferably (I) (See formulas I and II) is disclosed. The process entails (1) reacting of an oxidizing agent (A ... [more ▼]

A one-pot process for the preparation of alkoxyamines conforming to formulae (I) or (II), preferably (I) (See formulas I and II) is disclosed. The process entails (1) reacting of an oxidizing agent (A) with a sterically hindered secondary amine of the general formula (III), (See formula III) in a water-containing medium to form a reaction product and an aqueous phase , (2) removing of the aqueous phase, and (3) adding to the reaction product a free-radical initiator (B) under conditions that promote the decomposition of the initiator to generate free radicals. Also disclosed is a process for polymerizing monomers, the process using the alkoxyamine prepared by the inventive process. [less ▲]

Crèmes laitières reconstituées

Patent (2003)

Portable Holographic Marking Unit

Patent (2003)

Hydrosoluble mixtures of cyproterone and/or an ester of it, processes to obtain them and uses thereof

Patent (2003)

Pyridinic sulfonamide derivatives, method of production and use thereof

Patent (2003)

Method for identifying animals likely to have good milk production qualities by analyzing the polymorphism of the PIT-1 and Kappa-Casein genes

Patent (2003)

Process for depositing strong adherend polymer coating onto an electrically conductive surface

Patent (2002)

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a ... [more ▼]

Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a primer coating P onto said surface and having as general formula: X0 (meth)acrylate wherein X is either part of a preformed polymer or is an intermediate agent for polyaddition reaction or is an anchoring group for attachment of a molecule having at least one complementary reactive group. Such process allows formation of new primer by one-step electro-grafting of a reactive polymer called macromonomer.; Such process also allows further modification of an initial electrografted polymer (called primer coating) to increase the coating thickness by the so-called grafting-from technique i.e. polymerization of a second monomer or to introduce other types of polymers(also called top coating) via covalent attachment between the primer and the top coating through the X ester group by the so called grafting onto technique. Such process also allows to graft onto the primer coating compounds like functional polymer, peptide, protein, oligonucleotide, dyes, drugs, anti-bacterian compounds. [less ▲]

Controlled free-radical polymerization products using new controlled agents

Patent (2002)

A process for the production of polymers by means of pseudo-living free-radical polymerization is disclosed. The process entails (i) reacting a polymerizable vinyl monomer with nitrogen monoxide and at ... [more ▼]

A process for the production of polymers by means of pseudo-living free-radical polymerization is disclosed. The process entails (i) reacting a polymerizable vinyl monomer with nitrogen monoxide and at least one initiator to prepare a free-radical intermediate product, and (ii) polymerizing the intermediate product optionally together with one or more additional monomers and/or with a free-radical initiator. [less ▲]

Controlled free-radical polymerization products using new controlled agents

Patent (2002)

The present invention relates to a new process for the production of polymers by means of pseudo-living free-radical polymerization using nitrogen monoxide, as well as to intermediate products and ... [more ▼]

The present invention relates to a new process for the production of polymers by means of pseudo-living free-radical polymerization using nitrogen monoxide, as well as to intermediate products and polymers obtainable by the process according to the invention and the use thereof. [less ▲]

Polypeptide inducing HIV-neutralising antibodies

Patent (2002)

Optical Device For Projection Display System

Patent (2002)

An optical system to track a laser pointer in a multi media presentation. The information is used for dispaying symbols or activation of controls

USE OF COX-2 INHIBITORS FOR PREVENTING IMMUNODEFICIENCY

Patent (2002)

The present invention provides a method for treating or preventing a disorder typified by an immunodificiency (e.g. HIV), wherein the patient is administered a COX-2 inhibitor or derivative or ... [more ▼]

The present invention provides a method for treating or preventing a disorder typified by an immunodificiency (e.g. HIV), wherein the patient is administered a COX-2 inhibitor or derivative or pharmaceutically acceptable salt thereof, preferably diisopropylfluorophasphaate, L-745337, rofecoxi, NS 398, SC 58125, etodolac, meloxicam, celecoxib flusolide or nimesulide, and compositions and products containing the same or use of the same in preparing medicaments and for treatment. [less ▲]

Cyclic esterketone compounds and processes for the synthesis and use thereof

Patent (2001)

Cyclic esterketone compounds, and in particular, 2-oxepane-1,5-dione, which are useful as a monomer for the production of polymers, and in particular for the production of poly(2-oxepane-1,5-dione ... [more ▼]

Cyclic esterketone compounds, and in particular, 2-oxepane-1,5-dione, which are useful as a monomer for the production of polymers, and in particular for the production of poly(2-oxepane-1,5-dione). Processes are also disclosed for both the synthesis of this new compound and for the use (polymerization) thereof for the preparation of poly(2-oxepane-1,5-dione). The poly(2-oxepane-1,5-dione) polymers and copolymers which are obtained by use of the polymerization processes with the monomer compounds are also disclosed. [less ▲]