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:
Sep. 22, 2026
Filed:
May. 17, 2023
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Soushi Tsuchiya, Osaka, JP;
Masaki Irie, Osaka, JP;
Takuma Iwasaka, Osaka, JP;
Rina Tamai, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 116/14 (2006.01); C08F 14/26 (2006.01); C08F 214/26 (2006.01); C08F 259/08 (2006.01); C08F 261/06 (2006.01); C08K 3/28 (2006.01); C08K 5/57 (2006.01);
U.S. Cl.
CPC ...
C08F 116/14 (2013.01); C08F 14/26 (2013.01); C08F 214/262 (2013.01); C08F 259/08 (2013.01); C08F 261/06 (2013.01); C08K 3/28 (2013.01); C08K 5/57 (2013.01);
Abstract
The present disclosure provides a method for producing a perfluoroelastomer aqueous dispersion by polymerizing a perfluoromonomer in the presence of a polymer (1) and an aqueous medium to produce an aqueous dispersion of a perfluoroelastomer, the polymer (1) containing a polymerization unit (1) based on a monomer (1) represented by a general formula (1) and the polymer (1) having an ion exchange capacity of 1.50 meq/g or more.