ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,216, issued on Aug. 26, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).
"Process for modifying the surface polarity of rubber substrates" was invented by Alessio Monesi (Albizzate, Italy), Eleonora Salmoiraghi (Sedriano, Italy), Marco Signorile (Vellezzo Bellini, Italy) and Giorgio Zaffaroni (Suno, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for modifying the surface polarity of elastomeric rubber substrates to facilitate their cold bonding to other rubber substrates or non-elastomeric substrates of a different material, preferably metal, by chlorinating the elastomeric rubber substrat...