ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,165, issued on June 17, was assigned to BAKELITE UK HOLDING LTD. (Great Britain).

"Catalyst system for curing phenolic resole resins" was invented by Krishnama Naidu Sompalli (Gajuwaka, India) and Srinivasan Narashimhan (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a catalyst system which improves the work life of acid-catalyzed resole resins at higher ambient temperatures and provides extended shelf life. The catalyst system comprises an inorganic acid catalyst and one or more polyhydric alcohols. In particular, the present invention relates to a catalyst system wherein the inorganic acid and the al...