Rubber composition

Details Rubber composition Rubber composition

2011-04-12

2011-04-12

Mulcahy, Peter D (Department: 1762)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S092000

Reexamination Certificate

active

07923493

ABSTRACT:
A rubber composition containing 100 parts by weight of a diene-based rubber, 20 to 120 parts by weight of silica, a sulfur-containing silane coupling agent of 3 to 15% by weight, based upon the weight of the silica and a tertiary amine compound having the formula (I):wherein, R1indicates a carbon atom or nitrogen atom and, when R1is a carbon atom, R2indicates a hydrogen atom or hydroxyl group andhaving a pKa value of 6.5 to 13.

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English translation of Office Action dated Mar. 1, 2010 in counterpart German Application DE 11 2007 003 366.5-43.

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