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:
Nov. 03, 2020
Filed:
Oct. 23, 2018
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Hirokazu Kageyama, Hiratsuka, JP;
Kazushi Kimura, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
The present invention includes a rubber composition containing a modified diene polymer having a group represented by Formula (I) below and a group represented by Formula (II) below, and silica; and a modified diene polymer and a production method thereof. In Formula (I), Xrepresents at least one selected from the group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, Xrepresents a hydrocarbon group, n3 represents from 0 to 4, and Xrepresents at least one selected from the group consisting of sulfone-based protecting groups, carbamate-based protecting groups, and —(R—O)—H. In Formula (II), Rrepresents a divalent hydrocarbon group, Rand Reach independently represent a monovalent hydrocarbon group, m1 is from 1 to 3, m2 is from 0 to 2, m1+m2 is 3, and Rrepresents a hydrogen atom or a hydrocarbon group.