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:
Sep. 08, 2026
Filed:
Mar. 29, 2023
Daikin Industries, Ltd., Osaka, JP;
Yukari Yamamoto, Osaka, JP;
Tadaharu Isaka, Osaka, JP;
Yumi Zenke, Osaka, JP;
Hayato Tsuda, Osaka, JP;
Keizou Shiotsuki, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 5.8 to 7.6% by mass with respect to the whole of the monomer units, a melt flow rate of 50 to 68 g/10 min, and the number of functional groups of —CF═CF, —CFH, —COF, —COOH, —COOCH, —CONHand —CHOH of 50 or less per 10main-chain carbon atoms. Also disclosed is an injection molded article and member to be compressed containing the copolymer, and a coated electric wire including a coating layer containing the copolymer.