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:
Nov. 04, 2025
Filed:
Aug. 15, 2023
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Hiroyuki Hamada, Osaka, JP;
Hayato Tsuda, Osaka, JP;
Tadaharu Isaka, Osaka, JP;
Yukari Yamamoto, Osaka, JP;
Yumi Zenke, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/00 (2006.01); B29K 27/12 (2006.01); B29K 27/18 (2006.01);
U.S. Cl.
CPC ...
B29C 45/0001 (2013.01); B29K 2027/12 (2013.01); B29K 2027/18 (2013.01); B29K 2995/0012 (2013.01);
Abstract
Provided is an injection molded article containing a copolymer containing tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, wherein the content of the fluoro(alkyl vinyl ether) unit of the copolymer is 4.7 to 7.0% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of the copolymer is 11.0 to 22.0 g/10 min, the melting point of the copolymer is 296 to 305° C., and the amount of fluorine ions dissolving out from the injection molded article into water is 7,500 μg/mor lower.