ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,637, issued on March 18, was assigned to SANYO CHEMICAL INDUSTRIES LTD. (Kyoto, Japan).
"Two-pack curable urethane adhesive" was invented by Yuko Narutaki (Kyoto, Japan), Tetsuya Shimada (Kyoto, Japan) and Yuuki Tanaka (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties. The two-component curable urethane adhesive contains: a main agent; and a curing agent, the main agent containing at least one of a hydroxy group-co...