ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,233, issued on Feb. 3, was assigned to TOYO TIRE Corp. (Itami, Japan).
"Sealant composition and pneumatic tire using same" was invented by Yuya Konno (Itami, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a sealant composition excellent in exothermic performance, rigidity, and sealing characteristics, and a pneumatic tire using the sealant composition. The sealant composition contains 95 parts by mass to 150 parts by mass of a hydrocarbon resin, 20 parts by mass to 60 parts by mass of a liquid plasticizer, and 0.1 parts by mass to 10 parts by mass of a cellulose nanofiber, with respect to 100 parts by mass of a solid rubber componen...