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
2006-01-05
2011-10-25
Lee, Rip A. (Department: 1762)
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...
C524S847000, C524S009000, C524S313000, C524S575500, C524S572000, C524S571000, C524S495000, C525S333100, C525S232000, C525S354000, C525S343000, C152S209100
Reexamination Certificate
active
08044131
ABSTRACT:
There is provided a rubber composition for a tread having excellent hardness and improving the processability and grip performance of a tire, and a tire comprising thereof. A rubber composition for a tread comprising 30 to 80 parts by weight of silica having a BET specific surface area of less than 150 m2/g and 10 parts by weight or less of carbon black based on 100 parts by weight of a rubber component comprising an epoxidized natural rubber, and a tire comprising thereof.
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Decision of Rejection issued on Jan. 26, 2010 in corresponding Japanese Patent Application No. 2005-014099, and partial English translation thereof.
Hirayama Tomoaki
Uchida Mamoru
Wada Takao
Birch & Stewart Kolasch & Birch, LLP
Lee Rip A.
Sumitomo Rubber Industries Ltd.
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