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:
Aug. 17, 1993
Filed:
Mar. 13, 1992
Applicant:
Inventors:
Eiichi Tabei, Kawasaki, JP;
Shigeru Mori, Kawasaki, JP;
Akira Hayashida, Higashimurayama, JP;
Motoo Fukushima, Kawasaki, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 19 ; 528 10 ; 528 14 ; 528 31 ; 556430 ;
Abstract
Polysilanes are synthesized by reacting dihalosilanes in the presence of alkali metal particles while using copper powder, cuprous oxide, cupric oxide, or an organic copper compound as a catalyst. There are obtained high molecular weight polysilanes in high yields.