US Patent Issued to Dainichiseika Color & Chemicals on Nov. 18 for "Polyurethane aqueous dispersion, adhesive, synthetic leather and paint" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,392, issued on Nov. 18, was assigned to Dainichiseika Color & Chemicals Mfg. Co. Ltd. (Tokyo).

"Polyurethane aqueous dispersion, adhesive, synthetic leather and paint" was invented by Kazuaki Muto (Tokyo) and Ryohei Ino (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an aqueous polyurethane dispersion that makes it possible to prepare an adhesive, a paint, and the like capable of forming an adhesion layer as a cured film whose physical properties such as strength are unlikely to be changed even by a change in temperature, the aqueous polyurethane dispersion having excellent storage stability. The aqueous polyurethane dispersi...