Silica-filled rubber composition and method for making the same

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United States of America Patent

PATENT NO 11535687
APP PUB NO 20150031792A1
SERIAL NO

14353723

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Abstract

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Disclosed is a method of preparing a rubber composition comprising the steps of (a) blending in at least one preparatory mixing step at least one natural or synthetic rubbery polymer, a silica filler, a silica coupling agent, and at least one vulcanization accelerator; and (b) subsequently blending therewith in a final mixing step a sulfur curative, wherein the average glass transition temperature of the polymer(s) is −55° C. or less.

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Patent Owner(s)

  • BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dunlavy, Maryangel G Ravenna, US 8 10

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