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:
Jun. 26, 2001
Filed:
Sep. 27, 2000
Applicant:
Inventors:
Wilfried Kalchauer, Burghausen, DE;
Herbert Straussberger, Mehring/Öd, DE;
Willibald Streckel, Mehring/Öd, DE;
Jochen Gross, Mehring/Öd, DE;
Assignee:
Wacker-Chemie GmbH, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/16 ;
U.S. Cl.
CPC ...
C07F 7/16 ;
Abstract
In the process for the direct synthesis of methylchlorosilanes from chloromethane and silicon in the presence of a copper catalyst and promoter, the reaction mixture comprising chloromethane, methylchlorosilanes, and dust-like components comprising copper, promoter and silicon are removed continuously. The dust-like components are separated from the reaction mixture and cooled with liquid chloromethane.