US Patent Issued to The United States of America, as represented by the Secretary of the Navy on Sept. 22 for "Coumarin-based thermosets and thermoplastics" (California Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,950, issued on Sept. 22, was assigned to The United States of America, as represented by the Secretary of the Navy (Washington).

"Coumarin-based thermosets and thermoplastics" was invented by Benjamin G. Harvey (Ridgecrest, Calif.), Joshua E. Baca (Ridgecrest, Calif.) and Michael D. Garrison (Ridgecrest, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method of synthesizing less toxic, sustainable bisphenols having a coumarin-type structure and the polymers derived therefrom. The method synthesizes the bisphenolic coumarins from biologically derived phlorogincol and Beta-keto esters. The bisphenolic coumarins can be...