ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,328, issued on May 13, was assigned to Kimberly-Clark Worldwide Inc. (Neenah, Wis.).

"Depolymerization of a polyhydroxyalkanoate and recycling of hydroxyalkonoate monomer obtained thereby via a metabolic process" was invented by Stephen Quirk (Alpharetta, Ga.) and Peter B. Dulcamara (Neenah, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process is disclosed for production of a polyhydroxyalkanoate that includes depolymerization of a post-consumer polyhydroxyalkanoate and utilization of the hydroxyalkanoate monomer thus produced as a carbon source for a microorganism capable of production of a polyhydroxyalkanoate. Methods can be utilized for...