Rubber composition and pneumatic tire using the same for tread

Details Rubber composition and pneumatic tire using the same for tread Rubber composition and pneumatic tire using the same for tread

2006-10-19

2008-08-12

Mulcahy, Peter D (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S493000

Reexamination Certificate

active

07411016

ABSTRACT:
A rubber composition for a tire tread, in which wet grip performance and dry grip performance can be improved without lowering the rolling resistance property, the rubber composition including 5 to 150 parts by weight of silica having 3 to 100 of an average aspect ratio L1/D between branched particles A-A containing branched particles A on the basis of 100 parts by weight of a rubber component containing a diene rubber, the branched particle A being a particle having contact with at least 3 other particles.

REFERENCES:
patent: 2002/0128370 (2002-09-01), Colvin et al.
patent: 0 994 149 (2000-04-01), None
patent: 1 323 775 (2003-07-01), None
patent: 8-337687 (1996-12-01), None
patent: 2000-119445 (2000-04-01), None
patent: 2000-204197 (2000-07-01), None
patent: 2002-12002 (2002-01-01), None

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