ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,595, issued on April 29, was assigned to Chevron Philips Chemical Co. LP (The Woodlands, Texas).

"Use of high halide-containing catalyst in front reactors to extend the life and selectivity of reforming catalyst" was invented by Cori A. Demmelmaier-Chang (Houston), Joseph Bergmeister III (Spring, Texas), Vincent D. McGahee (Kemah, Texas) and Gabriela D. Alvez-Manoli (Kingwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides processes for reforming hydrocarbons by using a series of adiabatic reactors and catalysts, in which the catalyst(s) in at least one front or upstream catalyst bed or reactor includes a higher fluorid...