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:
Apr. 14, 2009
Filed:
May. 02, 2006
Karsten Korth, Grenzach-Wyhlen, DE;
Dorit Wolf, Oberursel, DE;
Steffen Seebald, Kahl am Main, DE;
Philipp Albert, Lorrach, DE;
Reimund Pieter, Bensheim, DE;
Alfred Alig, Geiselbach-Omersbach, DE;
Karsten Korth, Grenzach-Wyhlen, DE;
Dorit Wolf, Oberursel, DE;
Steffen Seebald, Kahl am Main, DE;
Philipp Albert, Lorrach, DE;
Reimund Pieter, Bensheim, DE;
Alfred Alig, Geiselbach-Omersbach, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present invention relates to a process for preparing mercaptoorganyl(alkoxysilanes), by hydrogenating bis(alkoxy-silylorganyl) polysulphides with hydrogen in the presence of at least one alcohol and a doped metal catalyst. The doped metal catalyst comprises at least one substance from the group consisting of iron, iron compound, nickel, nickel compound, palladium, palladium compound, osmium, osmium compound, ruthenium, ruthenium compound, rhodium, rhodium compound, iridium and iridium compound plus at least one doping component.