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:
May. 02, 2006
Filed:
Jun. 12, 1997
Applicants:
Stefan Breunig, Vienne, FR;
Gèrard Mignani, Lyons, FR;
Inventors:
Stefan Breunig, Vienne, FR;
Gèrard Mignani, Lyons, FR;
Assignee:
Rhodia Chimie, Boulogne-Billancourt Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The subject-matter of the invention is a process for the preparation of silicone oils which are weakly colored and low in turbidity by hydrosilylation of polyorganohydrosiloxanes with different or identical synthons comprising at least one hydrocarbon-comprising ring in which is included an oxygen atom, the said reaction being carried out in the presence of a heterogeneous catalytic composition comprising a metal chosen from the group consisting of cobalt, rhodium, ruthenium, platinum and nickel deposited on an inert support.