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. 31, 1976
Filed:
Jul. 07, 1975
Applicant:
Inventors:
Kakusaburo Nakanishi, Uozu, JA;
Tatsuro Yoshida, Namerikawa, JA;
Assignee:
Ryo-Nichi Co., Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08L / ;
U.S. Cl.
CPC ...
2608 / ;
Abstract
A process for producing a vinyl chloride grapht copolymer, wherein vinyl chloride is graft polymerized onto an ethylene-propylene-diene copolymer to produce a vinyl chloride graft copolymer containing 10 to 60% by weight of the ethylene-propylene-diene copolymer, carried out in the form of suspension polymerization in aqueous phase in the presence of an aliphatic alcohol of not less than 8 carbon atoms.