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:
Mar. 24, 2026

Filed:

Nov. 17, 2021
Applicant:

Japan Fine Coatings Co., Ltd., Ibaraki, JP;

Inventors:

Takumi Nakajima, Yokkaichi-City, JP;

Noriyasu Shinohara, Ushiku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 25/285 (2018.01); C03C 25/105 (2018.01);
U.S. Cl.
CPC ...
C03C 25/285 (2013.01); C03C 25/105 (2013.01); C03C 2218/32 (2013.01);
Abstract

Provided is a composition for forming a coating layer of an optical fiber, the composition comprising a compound having a structure represented by the following formula (I):*—NH—CO—N(R)—R—SiR—(OR)  (I)wherein, Ris a hydrogen atom, an alkyl group, or an aryl group, Ris a methylene group optionally substituted with a halogen, a Calkylene group that may have a heteroatom or an atomic group having a heteroatom between carbon atoms and may optionally be substituted with a halogen, or a phenylene group that may have a substituent, Ris an alkyl group, and Ris a Calkyl group, * being a bond and n indicating an integer of 0 or more and 2 or less.


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Nakajima, Takumi. (2026). Composition for forming coating layer of optical fiber and cured layer thereof, optical fiber having cured layer, and use thereof (U.S. Patent No. 12583789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12583789

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