ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,758, issued on Feb. 10, was assigned to NATIONAL KAOHSIUNG UNIVERSITY OF SCIENCE AND TECHNOLOGY (Kaohsiung, Taiwan).

"Polyhydroxyalkanoate block copolymer and method for preparing the same" was invented by Der-Shyan Sheu (Kaohsiung, Taiwan), Shun-Ze Siao (Kaohsiung, Taiwan) and Chun-Hao Chen (Kaohsiung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyhydroxyalkanoate block copolymer includes a first segment containing a first monomeric unit represented by formula (I); and a second segment containing the first monomeric unit represented by formula (I), a second monomeric unit represented by formula (II), and a third monomeric unit represe...