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:
Aug. 12, 2014
Filed:
Mar. 11, 2013
Bridgestone Corporation, Tokyo, JP;
Terrence E. Hogan, Uniontown, OH (US);
Xiaorong Wang, Hudson, OH (US);
Victor J. Foltz, Akron, OH (US);
Kentaro Kayashima, Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A composition includes a diene rubber and a metal phosphate ester of the formula: M being a metal with an oxidation state of +3 or +4, and Rand Rare independently selected from any organic moiety including hydrogen, except Rand Rcannot both be hydrogen. In addition, a method of making a rubber composition includes combining a solvent and a phosphate ester and mixing these to foam a solution. A source of metal ions is then added to the solution. The metal in the source of metal ions is selected from the group consisting of metals with an oxidation state of +3 or +4. The product is then is combined with a diene rubber composition to form a useful article, such as the tread of a tire.