US Patent Issued to DOW GLOBAL TECHNOLOGIES on July 8 for "Soft, washable polyurethane foam with slow recovery time" (Swiss Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,675, issued on July 8, was assigned to DOW GLOBAL TECHNOLOGIES LLC (Midland, Mich.).

"Soft, washable polyurethane foam with slow recovery time" was invented by David Foix Tajuelo (Horgen, Switzerland), Anja Arlt (Horgen, Switzerland), Lucie Porcelli (Richterswil, Switzerland) and Paul A. Cookson (Schindellegi, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Very soft, launderable polyurethane foams for pillow and other bedding applications are made using a quasi-prepolymer of diphenylmethane diisocyanate and a polyether polyol having a high oxyethylene content. The quasi-prepolymer is reacted with isocyanate-reactive components that includ...