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:
Sep. 15, 2015

Filed:

Jun. 10, 2013
Applicant:

Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;

Inventors:

Kumiko Tachibana, Yokohama, JP;

Takashi Fujii, Yokohama, JP;

Takashi Takada, Yokohama, JP;

Noriaki Iwaguchi, Yokohama, JP;

Assignee:

SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); G02B 6/44 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4403 (2013.01); G02B 6/00 (2013.01); G02B 6/02395 (2013.01); G02B 6/4494 (2013.01);
Abstract

A coated glass fibercomprising a glass fiberand a resin coating layer containing an inner layerand an outer layerprovided on the outer circumference of the glass fiber, wherein the resin constituting the inner layeris formed by curing a urethane-based ultraviolet curable resin composition containing a surfactant in an amount of 0.1 to 1.0% by weight and Young's modulus thereof is from 0.3 to 10 MPa. The coated optical fiber has a good water immersion resistance.


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