ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,925, issued on Nov. 11, was assigned to KURARAY Co. LTD. (Okayama, Japan).
"Water-soluble film, method of manufacturing same, and package" was invented by Minoru Okamoto (Okayama, Japan), Sayaka Shimizu (Okayama, Japan) and Osamu Kazeto (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a water-soluble film that causes less deformation of the package during storage, while maintaining excellent solubility in water, and is capable of suppressing the occurrence of tears and the like, a production method thereof, and a package using the water-soluble film. A water-soluble film of the present invention includes a polyvinyl alcoho...