ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,414, issued on March 17, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Water-sensitive smart coating for flow and corrosion tracking" was invented by Manuel Marya (Sugar Land, Texas) and Alireza Zolfaghari (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A material composition may include one or more polymeric materials. The material composition may also include one or more inorganic particles comprising oxides, carbonates, sulfides, or any combination thereof. Further, the material composition may include one or more metal particles that produce a detectable change in an electrical property or an optical prop...