The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2020
Filed:
Aug. 27, 2018
The Goodyear Tire & Rubber Company, Akron, OH (US);
Antonia Felicitas Broemmel, Frankfurt am Main, DE;
Julia Martine Francoise Claudine Tahon, Reckange, LU;
Philippe Schmit, Chantemelle, BR;
Nihat Ali Isitman, Hudson, OH (US);
Luisa Fernanda Munoz Mejia, Troine, LU;
Christian Jean-Marie Kaes, Schrondweiler, LU;
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising a diene elastomer, a pre-hydrophobated precipitated silica, a blocked mercaptosilane, a terpene-phenol resin, and a low molecular weight polybutadiene functionalized with a hydroxyl functional group, wherein the pre-hydrophobated precipitated silica is hydrophobated prior to its addition the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes and optionally at least one dispersing aid selected from the group consisting of fatty acids, diethylene glycols, polyethylene glycols, fatty acid esters of hydrogenated or non-hydrogenated Cor Csugars, polyoxyethylene derivatives of fatty acid esters of hydrogenated or non-hydrogenated Cor Csugars.