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.:

US 9394321 B1

Date of Patent:

Jul. 19, 2016

Filed:

Nov. 19, 2014

Modifying agent, method for producing modified conjugated diene polymer using modifying agent, and modified conjugated diene polymer

Applicant:

Bridgestone Corporation, Tokyo, JP;

Inventors:

Kenji Nakatani, Tokyo, JP;

Yuki Itoh, Tokyo, JP;

Assignee:

BRIDGESTONE CORPORATION, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Robert C Boyle

Int. Cl.

CPC ...

C08C 19/25 (2006.01); C07F 7/18 (2006.01); B60C 1/00 (2006.01); C08L 15/00 (2006.01); C08C 19/44 (2006.01);

U.S. Cl.

CPC ...

C07F 7/1888 (2013.01); B60C 1/0016 (2013.04); C07F 7/1876 (2013.01); C08C 19/25 (2013.01); C08C 19/44 (2013.01); C08L 15/00 (2013.01);

Abstract

Provided are a modifying agent obtained by subjecting a silicon-containing compound having a protected primary amino group and at least two hydrolyzable groups to complete condensation, a method of producing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer obtained by the production method, a rubber composition using the polymer, and a pneumatic tire. The modified conjugated diene-based polymer has excellent low heat generating property and abrasion resistance, and the rubber composition is obtained by using the modified conjugated diene-based polymer and the pneumatic tire is obtained by using the rubber composition.

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