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. 06, 1979
Filed:
May. 25, 1977
Applicant:
Inventors:
Michel Bargain, Lyon, FR;
Claude Millet, Saint-Priest, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 14 ; 2604 / ; 528 21 ; 528 23 ; 528 32 ; 528 37 ; 528 38 ; 528 42 ; 528 43 ;
Abstract
Organopolysiloxanes are polymerized in the presence of an alkaline catalyst and a complex oxygen, sulfur or nitrogen heterocyclic compound.