ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,972, issued on July 29, was assigned to Solenis Technologies LP (Wilmington, Del.).

"Geothermal well stimulation and silca based deposit removal" was invented by Logan Muller (Wilmington, Del.), Paul Hewson (Wilmington, Del.), Maria Nydia Lynch (Avondale, Pa.), Michael Bluemle (Wilmington, Del.), Peter Slijp (Wilmington, Del.) and William S. Carey (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of removing built up scale in a conduit of a geothermal plant, in which conduit a fluid including mineralized water is flowing, is provided. The method includes analyzing the mineralized water and scale. A chelator, acid composition,...