| http://www.w3.org/ns/prov#value | - Patent US20050027062 - Elastomeric composition - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThis invention provides for a composition including an elastomer having at least 30 mol % of isobutylene; carbon black having a surface area of less than 30 m2/g and a dibutylphthalate oil absorption of less than 80 cm3/100 gm; and polybutene oi
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