ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,755, issued on July 14, was assigned to ConocoPhillips Co. (Houston).

"Solvent injection for solids prevention in an LNG plant" was invented by Dale Embry (Houston) and Wesley R. Qualls (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solvent is dispersed into a natural gas feed at a solvent injection point to produce a mixed feed. The mixed feed contains heavy components with a potentially fouling portion that can cause obstructions in a heat exchanger. A fluid injection system can inject the solvent intermittently, for instance, based on an amount of accumulation or expected accumulation of heavy component solids in the heat exchanger. Th...