US Patent Issued to CONTINENTAL CARBON on Aug. 19 for "Refined surface modified carbon black and methods of making same" (Canadian, American Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,835, issued on Aug. 19, was assigned to CONTINENTAL CARBON Co. (Houston, American Samoa).

"Refined surface modified carbon black and methods of making same" was invented by Raymond Soufiani (Katy, Texas), Eduardo Vega Jr. (Richmond, Texas), Lashan M. H. De Silva (Dickinson, Texas), Frank E. Welsh (Sugar Land, Texas) and Luis P. Chibante (Fredericton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hyste...