US Patent Issued to MITSUI CHEMICALS on March 18 for "Method for setting conditions for use of polymerization catalyst, polymerization condition setting method, and method for manufacturing optical material" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,586, issued on March 18, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Method for setting conditions for use of polymerization catalyst, polymerization condition setting method, and method for manufacturing optical material" was invented by Masayuki Furuya (Arao, Japan) and Takeshi Nishimura (Yanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for setting conditions for use of a polymerization catalyst includes a step of acquiring a physical property value derived from remaining functional groups after maintaining a temperature of a composition including a polymerization-reactive compound and a predetermined amount of a polyme...