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. 26, 1994
Filed:
Dec. 14, 1992
Applicant:
Inventors:
Willi Streckel, Mehring/Od, DE;
Herbert Straussberger, Mehring/Od, DE;
Bernd Pachaly, Burghausen, DE;
Assignee:
Wacker Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75353 ; 75373 ; 502345 ;
Abstract
Finely divided copper powder suitable for the preparation of copper catalyst for the synthesis of methylchlorosilane is prepared by adding an aqueous copper salt solution to an aqueous suspension of iron powder. Copper salt solutions obtained as process residues from the synthesis of methylchlorosilane can be used in the process of this invention.