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...
Reexamination Certificate
2008-07-08
2008-07-08
Cain, Edward J (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...
C524S262000, C524S269000, C524S492000, C524S493000
Reexamination Certificate
active
07396870
ABSTRACT:
The present invention relates to a cross-linkable or cross-linked rubber composition having improved hysteresis properties in the cross-linked state which is useful for the manufacture of treads for tires. The rubber composition of the present invention comprises at least one diene elastomer having a molar ratio of units originating from conjugated dienes which is greater than 30% and comprising carboxylic acid functions along its chain, and a reinforcing inorganic filler. The present invention further relates to a process for preparing such a cross-linkable or cross-linked rubber composition as well as to a tire having reduced rolling resistance and a tread for a tire where the tread comprises the rubber composition of the present invention.
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Barbotin Fanny
Favrot Jean-Michel
Laubry Philippe
Robert Pierre
Buchanan & Ingersoll & Rooney PC
Cain Edward J
Michelin Recherche ET Technique S.A.
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