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:
May. 24, 2022
Filed:
Nov. 29, 2017
Bridgestone Corporation, Tokyo, JP;
Otsuka Chemical Co., Ltd., Osaka, JP;
Satoshi Hamatani, Higashimurayama, JP;
Shinya Shinozaki, Tokushima, JP;
Mifuyu Ueno, Tokushima, JP;
Masaki Abe, Tokushima, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
OTSUKA CHEMICAL CO., LTD., Osaka, JP;
Abstract
An additive for rubber that enables a rubber composition to have excellent low heat generating property and processability, a rubber composition containing the additive for rubber, and a tire using the same are provided. A rubber composition comprises a hydrazone compound represented by the following Formula (I): where Rand Reach independently represent a hydrogen atom, an alkyl group with a carbon number of 1 to 16, or an alkenyl group with a carbon number of 2 to 6, and A represents a group represented by the following Formula (A-1) or Formula (A-2):