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:
Sep. 18, 1990
Filed:
Sep. 21, 1989
Applicant:
Inventors:
Hiroshi Yoshioka, Tokyo, JP;
Masaaki Yamaya, Annaka, JP;
Hiromi Ohsaki, Joetsu, JP;
Akira Hayashida, Joetsu, JP;
Assignee:
Shin-Etsu Chemical, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556467 ; 556468 ;
Abstract
A process for preparing diorganohalogenosilanes wherein diorganodihalogenosilanes are reacted with at least one organosilicon compound having at least one .tbd.Si--H bond in the molecule and selected from polysilanes, polycarbosilanes and polysilphenylenes is described. This reaction proceeds in the presence of a Lewis acid.