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.

Date of Patent:
Feb. 08, 2000

Filed:

Aug. 28, 1997
Applicant:
Inventors:

Shunji Araki, Kodaira, JP;

Kazuhiro Yanagisawa, Kodaira, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; B60C / ;
U.S. Cl.
CPC ...
524494 ; 524265 ; 524261 ; 524263 ; 524264 ; 524492 ; 524493 ; 524495 ; 524496 ; 524860 ; 524863 ; 524864 ; 1522 / ;
Abstract

A pneumatic tire having improved rolling resistance and wear resistance comprises a tread made from a rubber composition containing a partially hydrophobizated silica subjected to a surface treatment with an organosilicon compound so as to have specified hydrophobization ratio and apparent density.


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