US Patent Issued to DEXERIALS on Sept. 29 for "Curing agent, method of producing curing agent, and curable composition" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,349, issued on Sept. 29, was assigned to DEXERIALS Corp. (Tochigi, Japan).

"Curing agent, method of producing curing agent, and curable composition" was invented by Kazunobu Kamiya (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a curing agent that includes a curing catalyst, and an aliphatic cyclic polyolefin resin disposed on a surface of the curing catalyst. The curing catalyst includes porous polyurea particles each bearing an aluminum chelating compound, or a water-insoluble catalyst powder having a solubility of 5% by mass or less relative to water."

The patent was filed on Dec. 7, 2021, under Application No. 18/25...