US Patent Issued to MITSUBISHI GAS CHEMICAL, The University of Tokyo on Jan. 27 for "Aliphatic polyester copolymer" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,841, issued on Jan. 27, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Chiyoda-ku, Japan) and The University of Tokyo (Bunkyo-ku, Japan).

"Aliphatic polyester copolymer" was invented by Akira Maehara (Niigata, Japan), Tadahisa Iwata (Bunkyo-ku, Japan), Taizo Kabe (Sayo-gun, Japan) and Yuki Kawamura (Bunkyo-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a stretchable polyester having shape followability and flexibility by elastic response and being able to suppress deterioration over time due to secondary crystallization. The present invention provides a stretchable polyester which is ...