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:
May. 02, 2022
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Kouji Yokotani, Osaka, JP;
Nobuyuki Komatsu, Osaka, JP;
Takeshi Hazama, Osaka, JP;
Mayuko Tatemichi, Osaka, JP;
Akio Higaki, Osaka, JP;
Tatsuya Higuchi, Osaka, JP;
Keiko Yamazaki, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); C08L 27/18 (2006.01); H01G 4/18 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08L 27/18 (2013.01); H01G 4/18 (2013.01); C08J 2327/18 (2013.01); C08J 2427/18 (2013.01); Y10T 428/24355 (2015.01);
Abstract
A fluororesin film contains a fluororesin. The fluororesin contains two fluororesin species having different composition ratios of polymerized units. The fluororesin film has on at least one surface thereof a ten-point average roughness of 0.100 to 1.200 μm and an arithmetic average roughness of 0.010 to 0.050 μm, and the fluororesin film has a breakdown strength of 400 V/μm or higher.