Tire with rubber composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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Details

C525S332800, C525S333100, C525S333200, C525S333300, C524S492000, C524S493000, C524S495000, C524S496000, C523S351000

Reexamination Certificate

active

07019084

ABSTRACT:
The present invention relates to the preparation of rubber compositions for tire tread and tire sidewall component applications. A tire is provided having tread of such composition designed for relatively heavy loads such as, for example, truck tires. A tire having a sidewall of such composition is also provided. Such tire component rubber compositions are of rubber compositions reinforced with precipitated silica and selected carbon black in specified amounts and prepared with a prescribed order of addition to the rubber composition and composed of elastomers as a specific combination of high trans styrene-butadiene rubber with natural or synthetic cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber.

REFERENCES:
patent: 5100965 (1992-03-01), Hsu et al.
patent: 6046266 (2000-04-01), Sandstrom et al.
patent: 6103842 (2000-08-01), Halasa et al.
patent: 6211271 (2001-04-01), Garro et al.
patent: 199 59 932 (1999-12-01), None
patent: 0 877 034 (1998-11-01), None
patent: 0972790 (2000-01-01), None
patent: 1167426 (2002-01-01), None
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