US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on April 8 for "Resin composition, optical fiber, and method for producing optical fiber" (Japanese Inventor)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,026, issued on April 8, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Resin composition, optical fiber, and method for producing optical fiber" was invented by Yuya Homma (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resin composition for secondary coating of an optical fiber is a resin composition comprising: a photopolymerizable compound comprising a urethane (meth)acrylate having a number average molecular weight of 10000 or more and 40000 or less; and a photopolymerization initiator, the content of the urethane (meth)acrylate is 0.05 parts by mass or more and 15 parts by mass or less based on the total amoun...