ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,696, issued on Feb. 24, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Amine containing aqueous fluids and method of producing same" was invented by Leroy Nelson Hitchcock (Glenview, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous solution is provided that includes an alkylated amine having an amine group and present from 6 to 40 total weight percent. A polyacid having carboxylic groups of a C5-C14 dicarboxylic acid, a polymeric acid having a plurality of acid groups, or a combination thereof is also present in the solution so as to result in a ratio of acid groups to amine group equivalents of at least 1.8:1. An aqueous ...