ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,992, issued on Nov. 11, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).
"Proppants derived from crosslinking mixed aromatic resins" was invented by Peter A. Gordon (Yardley, Pa.), Huaxing Zhou (Warwick, Pa.), Joseph S. Bair (Bangor, Pa.), Victor DeFlorio (Newton, N.J.) and Mikel A. Nittoli (Hillsborough, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variety of methods are disclosed, including, in one embodiment, a method of making crosslinked aromatic resin beads comprising: contacting a linker agent and a catalyst with an aromatic feedstock at a first temperature effective to react the linker agent with molecules ...