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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 12025829 B1

PDFFull Text
Date of Patent:
Jul. 02, 2024

Filed:

Jun. 08, 2020

Resin composition, optical fiber and method for producing optical fiber

Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Chiaki Tokuda, Osaka, JP;

Katsushi Hamakubo, Osaka, JP;

Assignee:

SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;

Attorney:

Faegre Drinker Biddle & Reath LLP

Primary Examiner:

Jerry Rahll

Int. Cl.
CPC ...
G02B 6/02 (2006.01); C03C 25/1065 (2018.01); C03C 25/285 (2018.01); C03C 13/04 (2006.01); C03C 25/105 (2018.01); C03C 25/326 (2018.01); C08F 220/32 (2006.01); C08F 220/36 (2006.01); C08K 3/36 (2006.01); C09D 4/00 (2006.01); C09D 7/61 (2018.01); C09D 133/14 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02395 (2013.01); C03C 25/1065 (2013.01); C03C 25/285 (2013.01); C03C 13/04 (2013.01); C03C 25/105 (2013.01); C03C 25/326 (2013.01); C03C 2213/00 (2013.01); C08F 220/325 (2020.02); C08F 220/36 (2013.01); C08F 2800/20 (2013.01); C08K 3/36 (2013.01); C09D 4/00 (2013.01); C09D 7/61 (2018.01); C09D 133/14 (2013.01);
Abstract

A resin composition for coating an optical fiber comprises: a base resin containing a photopolymerizable compound and a photopolymerization initiator; and hydrophobic inorganic oxide particles, wherein the photopolymerizable compound comprises urethane (meth)acrylate and aliphatic epoxy (meth)acrylate, and the content of the aliphatic epoxy (meth)acrylate is 1.0% by mass or more and 45% by mass or less based on the total amount of the photopolymerizable compound.

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Tokuda, Chiaki. (2024). Resin composition, optical fiber and method for producing optical fiber (U.S. Patent No. 12025829). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12025829

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