The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Mar. 21, 2000
Applicant:
Inventors:
Assignee:
Centre National de la Recherche Scientifique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/163 ; C07C 5/02 ; B22F 1/00 ; B22F 9/16 ;
U.S. Cl.
CPC ...
C07C 7/163 ; C07C 5/02 ; B22F 1/00 ; B22F 9/16 ;
Abstract
The invention concerns ultrafine polymetallic particles obtained from reducing a mixture of salts dissolved in an organic solvent by an alkali or alkaline earth metal hydride, at a temperature not higher than the solvent reflux temperature, the mixture of dissolved salts comprising at least a salt of a metal having a standard oxidant potential E° at 25° C. higher than −1.18 V. The invention is applicable to the hydrogenation of olefins and the coupling of halogenated aromatic derivatives.