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:
Feb. 04, 1997
Filed:
Oct. 06, 1995
Applicant:
Inventor:
Akira Hayashida, Kawasaki, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 10 ; 528 37 ; 528 43 ; 556430 ;
Abstract
In a process for preparing a polysilane from a diorganodihalosilane and an alkali metal, a low molecular weight polysilane results from the process as a by-product. The low molecular weight polysilane is further reacted with an alkali metal for conversion into a high molecular weight polysilane.