ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,588, issued on Feb. 17, was assigned to MITSUBISHI CHEMICAL Corp. (Tokyo).
"Water-soluble film and chemical agent package, and method for producing chemical agent package" was invented by Yuuma Kudo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water-soluble polyvinyl alcohol film with excellent conformability to a mold during forming and capable of being formed into a package with excellent appearance is provided. A water-soluble film includes a polyvinyl alcohol resin (A), a plasticizer (B), and a filler (C). The plasticizer (B) is present in a proportion of 3 to 22 parts by mass per 100 parts by mass of the polyvinyl alcohol resin (A), ...