US Patent Issued to NITTO DENKO on Sept. 9 for "Water-dispersed pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,344, issued on Sept. 9, was assigned to NITTO DENKO Corp. (Ibaraki, Japan).

"Water-dispersed pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet" was invented by Amane Sawamura (Osaka, Japan), Shuhei Yamamoto (Osaka, Japan), Keisuke Shimokita (Osaka, Japan), Hayata Matsumoto (Osaka, Japan) and Yasuhito Inai (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water-dispersed pressure-sensitive adhesive composition of the present invention includes a water-dispersible polymer, a carboxylic acid copolymer thickener, a polyacrylic acid thickener, and water. A ratio of the carboxylic acid copolymer thickener in the s...