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
2007-09-20
2009-12-01
Harlan, Robert 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...
C524S515000, C524S080000
Reexamination Certificate
active
07625970
ABSTRACT:
The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising a diene based elastomer, from 1 to 30 parts by weight per 100 parts by weight of diene based elastomer (phr) of cellulose fiber, and from 1 to 20 phr of a substituted polyisoprene comprising units of formula I, wherein —R comprises hydrogen and one substituent group of structure IIwherein the number of substituent groups of structure II occurring per substituted polyisoprene molecule ranges from 8 to 12, and the weight average molecular weight of the substituted polyisoprene ranges from 20000 to 30000.
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Jozef Klinkenberg Maurice Peter Catharina
Thielen Georges Marcel Victor
DeLong John D.
Harlan Robert D.
The Goodyear Tire & Rubber Company
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