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:
Jan. 24, 1978
Filed:
Mar. 19, 1976
Applicant:
Inventors:
Richard Augustus Jones, Avon Lake, OH (US);
Donald Edward Witenhafer, North Olmsted, OH (US);
Assignee:
The B. F. Goodrich Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526204 ; 526321 ; 526328 ; 526330 ; 526343 ; 526344 ; 526345 ;
Abstract
In the bulk or suspension polymerization of vinyl chloride and copolymerization of vinyl chloride with vinylidene monomers containing a terminal CH.sub.2 .dbd.CH< group, increased heat stability is obtained in the polymers by conducting the polymerization at low temperatures in the presence of tetrahydrofuran (THF).