ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,259, issued on Feb. 3, was assigned to ZEPHYROS INC. (Romeo, Mich.).

"Potting paste for honeycomb reinforcement" was invented by Vincent Duclos (Altorf, France), Eric Elkaim (Altorf, France), Estelle Huther Ebersohl (Altorf, France) and Michel Awkal (Altorf, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a potting paste composition for honeycomb reinforcement having improved fire retardancy characteristics. The potting paste composition comprises (a) a curable polymer; (b) a curing agent for the curable polymer; (c) a fire retardant comprising an ammonium polyphosphate in combination with an ingredient selected from th...