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. 11, 1992
Filed:
Dec. 04, 1989
Applicant:
Inventors:
Peter Sartori, Rheinberg, DE;
Baudouin van Aefferden, Duisburg, BE;
Wolfgang Habel, Duesseldorf, DE;
Assignee:
Kali-Chemie Aktiengesellschaft, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 25 ; 528 10 ; 556430 ; 556431 ;
Abstract
A process for preparing polycarbosilanes by co-condensation of dihalosilanes R.sup.1 R.sup.2 SiX.sub.2 and saturated dihalohydrocarbons Y-A-Y in the presence of an alkali metal, wherein the groups R.sup.1, R.sup.2, X, Y and A have the meanings given in the claims, and also new polycarbosilanes are described.