Tire with tread having enhanced wet traction

Details Tire with tread having enhanced wet traction Tire with tread having enhanced wet traction

2011-04-19

2011-04-19

Cheung, William K (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...

C524S492000, C524S274000, C524S174000, C524S176000, C524S571000

Reexamination Certificate

active

07928157

ABSTRACT:
This invention relates to a tire with a tread of a rubber composition which contains zinc rosinate within and on the surface of said rubber composition. Said zinc rosinate promotes enhanced wet traction for said tire tread by actually replacing a more conventional zinc stearate for a tire tread rubber composition. Said zinc rosinate is a product of a combination of rosin acid and zinc oxide formed in situ within said rubber composition. Said more conventional zinc stearate is a product of a combination of stearic acid and zinc oxide formed in situ within a tread rubber composition.

REFERENCES:
patent: 3912709 (1975-10-01), Gould
patent: 4127546 (1978-11-01), Lundberg et al.
patent: 5994434 (1999-11-01), Uchino et al.
patent: 7231951 (2007-06-01), Sandstrom et al.
patent: 2002/0077408 (2002-06-01), Rauline
patent: 2003/0111770 (2003-06-01), Bohm et al.
patent: 1 184 414 (2002-03-01), None
patent: 1 767 570 (2007-03-01), None
patent: 10-2005-0122033 (2005-12-01), None
patent: 10-0650011 (2006-11-01), None
patent: 10-0655222 (2006-12-01), None
European Search Report completed Dec. 18, 2008.

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