logo

For the Inventor, By the Inventor

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.:

US 12540203 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Nov. 07, 2023

Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition

Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Takahiro Taira, Osaka, JP;

Kazuhiro Mishima, Osaka, JP;

Chiaki Okui, Osaka, JP;

Tadao Hayashi, Osaka, JP;

Hirotoshi Yoshida, Osaka, JP;

Yuuji Tanaka, Osaka, JP;

Masayoshi Miyamoto, Osaka, JP;

Taku Yamanaka, Osaka, JP;

Taketo Kato, Osaka, JP;

Assignee:

DAIKIN INDUSTRIES, LTD., Osaka, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Tae H Yoon

Int. Cl.
CPC ...
C08F 6/06 (2006.01); C08F 6/16 (2006.01); C08F 6/24 (2006.01);
U.S. Cl.
CPC ...
C08F 6/06 (2013.01); C08F 6/16 (2013.01); C08F 6/24 (2013.01);
Abstract

A composition containing polytetrafluoroethylene and substantially free from a compound represented by Formula (3):(H—(CF)—SO)Mwherein Mis H, a metal atom, NR(where Rs may be the same as or different from each other and are each H or an organic group having 1 to 10 carbon atoms), an imidazolium optionally having a substituent, a pyridinium optionally having a substituent, or a phosphonium optionally having a substituent, and q is 1 or 2. Also disclosed is a molded boy including the composition.

Find Patent Forward Citations

Taira, Takahiro. (2026). Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition (U.S. Patent No. 12540203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12540203

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

Loading…