US Patent Issued to ExxonMobil Chemical Patents on Jan. 13 for "Post-synthesis backbone modification of polypentenamer rubber and related tire compositions" (Texas Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,691, issued on Jan. 13, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Post-synthesis backbone modification of polypentenamer rubber and related tire compositions" was invented by Mika L. Shiramizu (Houston), Xiao-Dong Pan (Houston), Alexander V. Zabula (Seabrook, Texas), Carlos R. Lopez-Barron (Houston), Alan A. Galuska (Huffman, Texas) and Yong Yang (Kingwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Rubber compounds may comprise: an epoxidized polypentenamer rubber (CPR) and/or a hydrolyzed epoxidized CPR; and a filler comprising silica particles. One nonlimiting example is rubber compound comprising: phr to 90 ph...