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. 29, 1997
Filed:
Jun. 25, 1996
Applicant:
Inventor:
Wilfried Kalchauer, Burghausen, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556473 ;
Abstract
A process for preparing dimethyldichlorosilane by reacting chloromethane with silicon in the presence of a catalyst combination comprising the metals or compounds of the metals copper, zinc and tin and/or antimony, and chlorosilanes or chlorodisilanes as activators. The activators are fed into the reactor as a gas containing at most 15% by volume of hydrogen.