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:
Sep. 22, 2026
Filed:
Nov. 21, 2023
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); C09D 7/41 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4482 (2013.01); C09D 7/41 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); G02B 6/02395 (2013.01);
Abstract
A resin composition for colored coating on an optical fiber contains a photopolymerizable compound, a photopolymerization initiator, a photosensitizer, and an organic pigment, in which the photosensitizer includes at least one selected from the group consisting of an anthracene-based photosensitizer and a naphthalene-based photosensitizer, and a content of the photosensitizer is 0.01 parts by mass or more and less than 3.00 parts by mass with respect to 100 parts by mass of the total amount of the photopolymerizable compound.