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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 12668654 B1

PDFFull Text
Date of Patent:
Jun. 30, 2026

Filed:

Jul. 06, 2022

Electret material and induction conversion element

Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Yoshito Tanaka, Osaka, JP;

Makoto Matsuura, Osaka, JP;

Yuuki Suzuki, Osaka, JP;

Akitoshi Ogata, Osaka, JP;

Satoru Yoneda, Osaka, JP;

Assignee:

DAIKIN INDUSTRIES, LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Rip A Lee

Int. Cl.
CPC ...
C08F 214/18 (2006.01); C09D 5/24 (2006.01); C09D 7/20 (2018.01); C09D 127/12 (2006.01);
U.S. Cl.
CPC ...
C08F 214/182 (2013.01); C09D 5/24 (2013.01); C09D 7/20 (2018.01); C09D 127/12 (2013.01);
Abstract

An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein Rto Rare each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the fluoropolymer has a mass average molecular weight of 1 million or more and 5 million or less, or 5000 or more and less than 20000.

Find Patent Forward Citations

Tanaka, Yoshito. (2026). Electret material and induction conversion element (U.S. Patent No. 12668654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12668654

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

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