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:
Jan. 16, 2001
Filed:
Mar. 13, 2000
Applicant:
Inventors:
Wilfried Kalchauer, Burghausen, DE;
Herbert Straussberger, Mehring/{umlaut over (O)}d, DE;
Willibald Streckel, Mehring/{umlaut over (O)}d, DE;
Ulrich Goetze, Burghausen, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/16 ;
U.S. Cl.
CPC ...
C07F 7/16 ;
Abstract
In a process for the direct synthesis of methylchlorosilanes, chloromethane is reacted with a catalyst composition comprising silicon, copper catalyst, zinc promoter and pyrogenic silicic acid.