US Patent Issued to Omya International on June 3 for "Alkaline earth metal minerals as carriers for surfactants in drilling fluids" (Swiss, American Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,866, issued on June 3, was assigned to Omya International AG (Oftringen, Switzerland).

"Alkaline earth metal minerals as carriers for surfactants in drilling fluids" was invented by Tobias Keller (Granichen, Switzerland), Samuel Rentsch (Spiegel bei Bern, Switzerland) and Jarrod Massam (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling fluid comprising an alkaline earth metal mineral carrier, a process for producing a drilling fluid and the use of a loaded mineral carrier for the delivery of a surfactant to a drilling fluid."

The patent was filed on July 15, 2021, under Application No. 18/004,777.

*For further information, inclu...