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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 12583995 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Dec. 18, 2020

Compound, crosslinking agent and crosslinked fluoroelastomer

Applicants:

Nichias Corporation, Tokyo, JP;

Kyoto Institute of Technology, Kyoto, JP;

Inventors:

Tomoya Shimizu, Tokyo, JP;

Ayumi Toh, Tokyo, JP;

Tsutomu Konno, Kyoto, JP;

Assignees:

NICHIAS CORPORATION, Tokyo, JP;

KYOTO INSTITUTE OF TECHNOLOGY, Kyoto, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Richard A Huhn

Int. Cl.
CPC ...
C08F 14/18 (2006.01); C07C 35/50 (2006.01); C07C 43/192 (2006.01); C07C 43/196 (2006.01); C08K 5/053 (2006.01); C08K 5/06 (2006.01); C08L 27/12 (2006.01);
U.S. Cl.
CPC ...
C08K 5/06 (2013.01); C07C 35/50 (2013.01); C07C 43/192 (2013.01); C07C 43/196 (2013.01); C08K 5/053 (2013.01); C08L 27/12 (2013.01); C08F 14/18 (2013.01); C08L 2312/00 (2013.01);
Abstract

The present invention provides a crosslinking agent which can improve crosslinked fluoroelastomer high-temperature vapor resistance and a crosslinked fluoroelastomer having improved high-temperature vapor resistance. The present invention provides a compound having a structure represented by the following formula (1) (in the formula, Rto Rare each a hydrogen atom, a substituent, or a leaving group, and two or more of Rto Rare leaving groups; Rto Rare each a hydrogen atom or a substituent; and n is an integer from 2 to 5).

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Shimizu, Tomoya. (2026). Compound, crosslinking agent and crosslinked fluoroelastomer (U.S. Patent No. 12583995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12583995

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

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