ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,248, issued on Feb. 4, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Resin composition, optical fiber, and method for producing optical fiber using polyol between 8000 and 20000 average molecular weight" was invented by Yuya Homma (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resin composition for the secondary coating of an optical fiber is a resin composition containing a non-reactive urethane compound having a number average molecular weight of 10000 or more and 50000 or less, a photopolymerizable compound, and a photopolymerization initiator, the content of the non-reactive urethane compound is 0.05 parts by ...