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.

Date of Patent:
Feb. 22, 2022

Filed:

Apr. 22, 2019
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Tadaharu Isaka, Osaka, JP;

Ryouichi Fukagawa, Osaka, JP;

Tadahiro Yabu, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/22 (2006.01); C08F 6/00 (2006.01); C08F 114/26 (2006.01); C08J 3/12 (2006.01);
U.S. Cl.
CPC ...
C08F 8/22 (2013.01); C08F 6/005 (2013.01); C08F 114/26 (2013.01); C08J 3/12 (2013.01);
Abstract

Provided is a method for producing a purified fluoropolymer containing less fluoridable end groups. The production method includes: (a) melting a fluoropolymer to give a molten fluoropolymer; (b) reducing a reaction inhibitor in the molten fluoropolymer; (c) bringing the molten fluoropolymer into contact with an active substance after the step (b); and (d) removing a volatile matter from the molten fluoropolymer after the step (c).


Find Patent Forward Citations

Isaka, Tadaharu. (2022). Method for producing purified fluoropolymer (U.S. Patent No. 11254760). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11254760

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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