ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,666, issued on May 19, was assigned to DIC Corp. (Tokyo).
"Urethane resin composition, foamed urethane sheet, and synthetic leather" was invented by Norie Fujishita (Takaishi, Japan) and Ryo Maeda (Takaishi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In the present invention, there is provided an urethane resin composition containing an urethane resin (A), water (B), and a surfactant (C) having no aromatic ring, and having a hydrophobic portion having 10 or more carbon atoms, wherein the urethane resin composition has a carbonate structure (X) and an oxyalkylene structure (Y) derived from the urethane resin (A). Further, the present inventi...