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.:
Date of Patent:
Aug. 06, 2024
Filed:
Apr. 30, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Katsushi Hamakubo, Osaka, JP;
Kazuyuki Sohma, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 25/47 (2018.01); C03C 25/1065 (2018.01); C03C 25/285 (2018.01); C03C 25/6226 (2018.01); C08F 290/06 (2006.01); C09D 151/08 (2006.01); G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
C09D 151/08 (2013.01); C03C 25/1065 (2013.01); C03C 25/285 (2013.01); C03C 25/47 (2018.01); C03C 25/6226 (2013.01); C08F 290/067 (2013.01); G02B 6/02395 (2013.01);
Abstract
A resin composition for coating an optical fiber comprises a base resin containing an oligomer, a monomer, and a photopolymerization initiator, and hydrophobic inorganic oxide particles, wherein the oligomer comprises urethane (meth)acrylate and epoxy (meth)acrylate, and the mass ratio of the content of urethane (meth)acrylate to the content of epoxy (meth)acrylate is 0.25 or more.