ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,347, issued on June 24, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Medical device" was invented by Rumiko Kitagawa (Otsu, Japan) and Masataka Nakamura (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device including an internal wetting agent and a copolymer of a silicone monomer and satisfying the following conditions: (1) that the internal wetting agent contains a copolymer of an open-chain compound having an acidic group and an open-chain compound having an amide group; (2) that the internal wetting agent is contained in the range of from 0.1 to 10% by mass with respect to the whole medical device; and (3) that the copol...