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. 14, 2018
Filed:
Nov. 08, 2017
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); C03C 25/10 (2018.01); C08G 18/24 (2006.01); C08G 18/67 (2006.01); C03C 25/1065 (2018.01); C03C 25/105 (2018.01);
U.S. Cl.
CPC ...
G02B 6/02395 (2013.01); C03C 25/105 (2013.01); C03C 25/1065 (2013.01); C08G 18/246 (2013.01); C08G 18/673 (2013.01);
Abstract
An optical fiber includes an optical transmission medium having a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, wherein the primary resin layer comprises a cured product of an ultraviolet light curable resin composition comprising a urethane (meth)acrylate oligomer, a monomer and a photopolymerization initiator, and a compound containing phosphorus and tin as constituent atoms; and a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C.