ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,793, issued on Aug. 11, was assigned to NISSHINBO HOLDINGS INC. (Tokyo).
"Marine-biodegradation accelerator" was invented by Kazutoshi Hayakawa (Chiba-city, Japan), Toshifumi Hashiba (Chiba-city, Japan) and Erina Matsuzaka (Chiba-city, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a biodegradation accelerator for accelerating the biodegradation of resins, etc. in the ocean. This marine-biodegradation accelerator comprises a compound including anions of one or more kinds including an anion having six or more carbon atoms and three or more oxygen atoms and a metal cation having a valence of two or higher, the anions and the cation b...