US Patent Issued to ExxonMobil Chemical Patents on Sept. 9 for "Functionalized polymers tread additive for improved winter tire performance" (Texas Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,680, issued on Sept. 9, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Functionalized polymers tread additive for improved winter tire performance" was invented by Paul T. Q. Nguyen (League City, Texas), Edward J. Blok (Huffman, Texas), Anthony J. Dias (Houston), Ranjan Tripathy (Sugar Land, Texas) and Jason A. Mann (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 30 to about 70 phr of polybutadiene having a cis-1,4 linkage content of at least 95%; about 30 to 70 phr of natural rubber or polyisopr...