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:
Oct. 06, 2026
Filed:
Sep. 25, 2024
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 214/26 (2006.01); C09D 127/18 (2006.01); H01B 3/44 (2006.01);
U.S. Cl.
CPC ...
C08F 214/262 (2013.01); C09D 127/18 (2013.01); H01B 3/445 (2013.01); C08F 2800/20 (2013.01);
Abstract
There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.5 to 11.4% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.8 to 1.7% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 9.0 to 14.0 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF═CFand —CHOH per 10main-chain carbon atoms of 100 or less.