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:
Mar. 24, 2026
Filed:
Mar. 07, 2019
Daikin Industries, Ltd., Osaka, JP;
Hirotoshi Yoshida, Osaka, JP;
Taketo Kato, Osaka, JP;
Kenji Ichikawa, Osaka, JP;
Yohei Fujimoto, Osaka, JP;
Yoshinori Nanba, Osaka, JP;
Kengo Ito, Osaka, JP;
Masahiro Higashi, Osaka, JP;
Satoru Yoneda, Osaka, JP;
Akiyoshi Yamauchi, Osaka, JP;
Sumi Ishihara, Osaka, JP;
Moe Hosokawa, Osaka, JP;
Marina Nakano, Osaka, JP;
Yuuji Tanaka, Osaka, JP;
Yosuke Kishikawa, Osaka, JP;
Hirokazu Aoyama, Osaka, JP;
Masamichi Sukegawa, Osaka, JP;
Taku Yamanaka, Osaka, JP;
Hiroyuki Sato, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A method for producing a fluoropolymer, which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, wherein the surfactant is a carboxylic acid type hydrocarbon-containing surfactant.