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. 29, 2011
Filed:
May. 26, 2010
Nobuhiko Tsuda, Settsu, JP;
Yoshihiro Yamamoto, Settsu, JP;
Yoshinori Nanba, Settsu, JP;
Yasuhiko Sawada, Settsu, JP;
Tetsuo Shimizu, Settsu, JP;
Nobuhiko Tsuda, Settsu, JP;
Yoshihiro Yamamoto, Settsu, JP;
Yoshinori Nanba, Settsu, JP;
Yasuhiko Sawada, Settsu, JP;
Tetsuo Shimizu, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.