ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,803, issued on April 14, was assigned to Chevron Phillips Chemical Co. LP (The Woodlands, Texas).
"Systems and techniques for heat removal in gas phase polymerization" was invented by Joseph A. Curren Sr. (Houston), Kenneth A. Dooley (Porter, Texas) and Jeffrey S. Lowell (Huffman, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A technique of operating a gas phase fluidized bed polymerization reactor system may include feeding an olefin monomer and catalyst to a polymerization reactor. The monomer and the catalyst are contacted in a fluidized bed in the reactor to form a product including a polyolefin. A heat of polymerization is extracted fro...