US Patent Issued to MITSUI CHEMICALS on May 19 for "Polythiol composition, polymerizable composition, resin, molded body, optical material, and lens" (Japanese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,694, issued on May 19, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Polythiol composition, polymerizable composition, resin, molded body, optical material, and lens" was invented by Shotaro Nakano (Omuta, Japan) and Masaru Kawaguchi (Mizuma-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a polythiol composition including a polythiol compound (A) and a compound represented by the following Formula (1), wherein, in high performance liquid chromatography measurement, a peak area of the compound represented by Formula (1) is 9.0 or less with respect to a total peak area 100 of all compounds contained in the polythiol composition....