ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,197, issued on May 12, was assigned to Suncoal Industries GmbH (Ludwigsfelde, Germany).
"Rubber composition for an inner liner for pneumatic vehicle tyres" was invented by Bernhard Schwaiger (Erftstadt, Germany), Tobias Wittmann (Berlin), Jacob Podschun (Berlin) and Alexander Stucker (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a rubber composition comprising a rubber component that comprises at least one halobutyl rubber selected from the group consisting of bromobutyl rubber and chlorobutyl rubber; and a filler component that comprises at least one filler F1 which has a 14C content in the range of 0.20 t...