ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,393, issued on Nov. 18, was assigned to Sunstar Engineering Inc. (Osaka, Japan).
"Curable composition" was invented by Takuro Omachi (Osaka, Japan), Akimi Ebata (Osaka, Japan) and Hiroyuki Nagata (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A curable composition used to produce a polyurethane foam comprises an isocyanate group-containing urethane pre-polymer (I) having an oxyalkylene ether skeleton and no siloxane skeleton, and an isocyanate group-containing urethane pre-polymer (II) having a siloxane skeleton and an oxyalkylene ether skeleton."
The patent was filed on Feb. 19, 2024, under Application No. 18/444,929.
*For further i...