ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,931, issued on Feb. 17, was assigned to ISP INVESTMENTS LLC (Wilmington, Del.).

"Dihydroxy lactam based polymers, compositions and applications thereof" was invented by Bilal S. Marie (Rockaway, N.J.), Michael A. Tallon (Aberdeen, N.J.) and Osama M. Musa (Bedminster, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lactam-functionalized polymer is disclosed. The dihydroxy lactam based polymer includes polyesters, polycarbonates, polyethers, poly (ester ethers), poly (ester amides), poly imides, polyamides, poly acrylates and poly (ester imides), and polyurethanes. The applications of the dihydroxy lactam based polymers are also disclosed."

The...