ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,204, issued on Oct. 7, was assigned to PIRELLI TYRE S.p.A. (Milan).

"Compositions for elastomeric compounds including polytetrazole cross-linking agents and tyres comprising the same" was invented by Luca Giannini (Milan), Luciano Tadiello (Milan), Antonio Papagni (Milan) and Mauro Monti (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to compositions for elastomeric compounds for tyres, comprising polytetrazole cross-linking compounds characterized by precise activation temperatures, tyre components and tyres for vehicle wheels which comprise them. Advantageously, the present polytetrazole cross-linking agents give...