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:
Jun. 09, 2009
Filed:
Jan. 03, 2007
Applicants:
Junpei Nomura, Chiyoda-ku, JP;
Hiroshi Funaki, Chiyoda-ku, JP;
Hiroki Kamiya, Chiyoda-ku, JP;
Inventors:
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 216/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing an elastic fluorocopolymer, by emulsion-polymerizing at least one fluoromonomer (a), a vinyl ester monomer (b) represented by the formula CRR═CRCOOCH═CHoptionally, at least one hydrocarbon monomer (c) selected from the group consisting of ethylene, propylene and a vinyl ether, in an aqueous medium to produce an elastic fluorocopolymer latex, adjusting the pH of the elastic fluorocopolymer latex to from 1 to 9, and coagulating the elastic fluorocopolymer latex to isolate an elastic fluorocopolymer.