US Patent Issued on July 28 for "Biodegradable polyurethane foam slabstock and method of production" (Pennsylvania Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,389, issued on July 28.

"Biodegradable polyurethane foam slabstock and method of production" was invented by Paul Bergad (Freeport, Pa.) and Coleman Bergad (Freeport, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biodegradable polyurethane foam comprised of components polyol, isocyanate, blowing agent, catalyst, surfactant, and a non-starch, polycaprolactone-based biodegradable solid additive equal to or no greater than 3% of the foam by weight has a same function and performance characteristic profile as a standard polyurethane foam made with the same components and percentages by weight but without the biodegradable solid additive and made ...