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:
Jul. 18, 1995
Filed:
Nov. 29, 1993
Applicant:
Inventor:
Gilbert Geisberger, Altotting, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07P / ;
U.S. Cl.
CPC ...
556469 ;
Abstract
A process is described for the preparation of dimethylchlorosilane by redistribution of dimethyldichlorosilane with methylchlorosilane and/or methylsilane in the presence of a catalyst. The catalyst may be shapeless or in the form of spheres and is a polymeric, optionally crosslinked organosiloxane-ammonium compound having a silica-type backbone.