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
2007-08-21
2007-08-21
Harlan, Robert D. (Department: 1713)
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...
C524S495000, C524S261000, C524S262000, C524S267000, C525S241000, C152S209100, C152S450000
Reexamination Certificate
active
11524588
ABSTRACT:
The invention is directed to a pneumatic tire having a tread including a vulcanizable rubber composition including, expressed as parts by weight per 100 parts by weight of elastomer (phr),(A) 60 to 95 phr of solution-polymerized styrene-butadiene rubber with a bound styrene content of from 20 to 30 percent by weight, a vinyl 1,2 content of from 50 to 70 percent by weight based on the butadiene content, and a Tg of from about −40° C. to about −20° C.;(B) 5 to 15 phr of cis-1,4 polybutadiene having a Tg of from −95° C. to −105° C.;(C) 10 to 20 phr of 3,4-polyisoprene;(D) 30 to 70 phr of processing oil;(E) 10 to 30 phr of carbon black having an Iodine absorption ranging from 192 to 212 g/kg according to ASTM D-1510 and an oil absorption ranging from 126 to 142 cc/100 g according to ASTM D-2414;(F) 90 to 110 phr of silica;(G) 0.5 to 20 phr of a sulfur containing organosilicon compound; and(H) 10 to 20 phr of resin.
REFERENCES:
patent: 5087668 (1992-02-01), Standstrom et al.
patent: 5409988 (1995-04-01), Kikuchi
patent: 6848487 (2005-02-01), Weydert et al.
patent: 2002/0045697 (2002-04-01), Sohnen et al.
patent: 2004/0261927 (2004-12-01), Weydert et al.
patent: 2005/0009978 (2005-01-01), Weydert et al.
patent: 2006/0060285 (2006-03-01), Weydert et al.
Pagliarini Olivio Jean-Baptiste
Zanzig David John
DeLong John D.
Harlan Robert D.
The Goodyear Tire & Rubber Company
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