ORBi: Heinrichs Benoît - Transition metal aerogel-supported catalyst

Reference : Transition metal aerogel-supported catalyst


	Document type :	Patent : Patent
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Chemistry Engineering, computing & technology : Chemical engineering Engineering, computing & technology : Materials science & engineering
	To cite this reference:	http://hdl.handle.net/2268/40643

Title :	Transition metal aerogel-supported catalyst
Language :	English
Author, co-author :	Heinrichs, Benoît [Université de Liège - ULg > Département de chimie appliquée > Ingén. des nanomatériaux, des matér. divisés et des interf. >]
	Pirard, Jean-Paul [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >]
	Pirard, René [Université de Liège - ULg > Département de chimie appliquée > Génie chimique - Génie catalytique >]
Publication date :	23-Jul-1996
Creation date :	1994-06-10
Publisher :	US Patent Office, Japanese Patent Office, German Patent Office, European Patent Office
Patent/publication number (10-11) :	US5538931
Priority number (30) :	DE4319909
Report number :	B
Country :	United States of America, Japan, Germany, Europe
Depositor :	Solvay Deutschland GmbH
International classification (IPC) (51) :	B01J 21/08; B01J 21/12
European classification (ECLA) (52) :	502/234; 502/235; 502/236; 502/237; 502/238; 502/239; 502/244; 502/245; 502/259; 502/260; 502/262
International protection: country codes (81) :	JP, DE, EP, US
European protection: country codes (84) :	JP, DE, EP, US
Abstract :	[en] A process for preparing a supported catalyst comprising a transition metal selected from palladium, platinum, nickel, cobalt or copper on an aerogel support, which includes the steps of providing a mixture containing an alkoxide precursor of the aerogel, a chelate complex of the transition metal with a chelating agent having Si(OR)3 anchor groups, and an organic solvent in which the chelate complex is soluble; hydrolyzing the mixture by admixing it with water to form a gel; and converting the gel under supercritical conditions into the transition metal aerogel-supported catalyst. The supported catalyst has an especially homogeneous distribution of the metal component and is suitable, for example, for use as a hydrogenation catalyst.
Permalink :	http://hdl.handle.net/2268/40643
Commentary :	Brevets obtenus également au Japon (JP7016448, 1995), en Allemagne (DE4319909, 1996), en Europe (EP 0629442, 1998).

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Restricted access	US5538931A.pdf	Publisher postprint	480.48 kB	Request copy

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