US Patent Issued to MITSUBISHI GAS CHEMICAL on July 29 for "Method for producing polycarbonate resin, and molded body" (Japanese Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,530, issued on July 29, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Method for producing polycarbonate resin, and molded body" was invented by Shun Ishikawa (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application addresses the problem of providing a new method for producing a polycarbonate resin having excellent properties. This problem has been solved by providing a method for producing a polycarbonate resin containing a constituent unit derived from an aromatic dihydroxy compound represented by formula (1). The method includes polymerizing the aromatic dihydroxy compound represented by formula (1)....