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:
Dec. 31, 2019
Filed:
May. 16, 2016
Bridgestone Corporation, Tokyo, JP;
Tomoki Higa, Yokohama, JP;
Kenji Nakatani, Akishima, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
The rubber composition of this disclosure is a rubber composition comprising a rubber component containing 2 or more polymer components and a filler containing at least a silica, wherein: the rubber component is separated into two or more polymer phases with different peak temperatures of tan δ temperature dispersion curve; a compounding amount of the filler per 100 parts by mass of the rubber component is 30 to 130 parts by mass; 30 mass % or more of the filler exists in the polymer phase with the lowest peak temperature of tan δ temperature dispersion curve; and the filler has an average aggregate area of 2100 nmor less.