ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,646, issued on March 18, was assigned to BLUESKY ENVIRONMENTAL ENGINEERING Ltd. (Aberdeen, Great Britain).
"Compositions for the dissolution of calcium naphthenate and methods of use" was invented by Richard William Keatch (Fife, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a composition and method of use for the dissolution of calcium naphthenate solids in the presence of water. The composition includes at least one carboxylic acid; and a mutual solvent that includes ethylene glycol monobutyl ether."
The patent was filed on March 16, 2022, under Application No. 18/550,176.
*For further information, including images, ...