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:
Jul. 21, 2026
Filed:
Oct. 20, 2022
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Tetsuhiro Kodani, Osaka, JP;
Saori Sakami, Osaka, JP;
Shinya Bitou, Osaka, JP;
Masaharu Arimoto, Osaka, JP;
Takashi Kanemura, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 214/22 (2006.01); C08F 214/24 (2006.01); C08F 214/26 (2006.01); C08J 5/18 (2006.01); H10N 30/045 (2023.01); H10N 30/098 (2023.01);
U.S. Cl.
CPC ...
C08F 214/22 (2013.01); C08F 214/24 (2013.01); C08F 214/26 (2013.01); C08J 5/18 (2013.01); H10N 30/045 (2023.02); H10N 30/098 (2023.02);
Abstract
An object is to provide a fluorine-containing polymer film. The object can be achieved by a fluorine-containing polymer film having a thermal shrinkage of 0.4% or less after being heated at 90° C. for 1 hour, and having a relative permittivity of 3 to 50 at 25° C. at 1000 Hz, or a fluorine-containing polymer film having a crystallinity of 50% or more and an elongation at break of 400% or more.