ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,749, issued on Nov. 25, was assigned to Carlos Torres Padilla (San Luis Potosi, Mexico).

"System for coprocessing oil drilling waste" was invented by Nestor Ivan Echavarri Franco (San Luis Potosi, Mexico) and Efren Acevedo Martinez (San Luis Potosi, Mexico).

According to the abstract* released by the U.S. Patent & Trademark Office: "A co-processing that includes converting oil drilling waste into a material with technical characteristics that can be used as fuel or alternative raw material for a specific petrochemical process. In the co-process, the components that make up the waste such as solid, oil, and water are recovered. The co-process is a self-sustaining process, reducing...