Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2004-09-17
2008-10-28
Mulcahy, Peter D (Department: 1796)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C524S262000, C524S526000
Reexamination Certificate
active
07441572
ABSTRACT:
The invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, 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 35 to 45 percent by weight, a vinyl 1,2 content of from 15 to 30 percent by weight based on the butadiene content, and a Tg of from about −40° C. to about −20° C.;(B) 5 to 40 phr of cis-1,4 polybutadiene having a Tg of from −95° C. to −105° C.(C) 50 to 150 phr of silica;(D) 30 to 70 phr of processing oil; and(E) 0.5 to 20 phr of a sulfur containing organosilicon compound.
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Document View of JP2002097369 (full application not available for print).
Internet Article “Dow Synthetic Rubber Markets & Applications Tires.” Published Oct. 14, 2005.
European Search Report.
Kaes Christian
Weydert Marc
DeLong John D.
Mulcahy Peter D
The Goodyear Tire & Rubber Company
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