US Patent Issued to PERIMETER SOLUTIONS on June 23 for "Fluorine-free firefighting foams containing one or more biopolymers" (American, Spanish Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,541, issued on June 23, was assigned to PERIMETER SOLUTIONS LP (Saint Louis, Mo.).

"Fluorine-free firefighting foams containing one or more biopolymers" was invented by Covadonga Perez (Mieres, Spain), Pamela Havelka-Rivard (De Pere, Wis.), Javier Castro (Mieres, Spain), Mark Siem (Suamico, Wis.), Mitch Hubert (Menominee, Mich.), Robert Paulick (Green Bay, Wis.), Melissa Kim (Ontario, Calif.) and LeiLei Zhang (Green Bay, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to fluorine-free firefighting foams containing one or more biopolymers. The biopolymers of the compositions of the present invention include for e...