US Patent Issued to Lubrizol Advanced Materials on Oct. 27 for "Multi-amine dispersant made via an anhydride intermediate" (British Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,416, issued on Oct. 27, was assigned to Lubrizol Advanced Materials Inc. (Cleveland).

"Multi-amine dispersant made via an anhydride intermediate" was invented by Elliot Coulbeck (Bury, Great Britain) and Dean Thetford (Rochdale, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a dispersant derived from an alcohol terminated polymer and via an anhydride intermediate. The anhydride functionalized polyester is then reacted with a multi-amine species forming amide and salt bonds."

The patent was filed on April 9, 2024, under Application No. 18/630,356.

*For further information, including images, charts and ...