TIRE SIDEWALL
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United States of America Patent
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Issued Date -
Dec 21, 2017
app pub date -
Dec 14, 2015
filing date -
Dec 16, 2014
priority date (Note) -
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Abstract
A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system is provided. The reinforcing filler predominantly comprises silica, that the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr and that the total content of reinforcing filler is less than or equal to 45 phr.
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