Dry clay powder for asphalt sealer and novel asphalt sealer

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United States of America Patent

PATENT NO 7641729
SERIAL NO

11593669

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A ball clay powder having a moisture content of less than 5% and at least about 25% of indigenous silica, said powder comprising a blend of at least two natural ball clays, wherein one of the ball clays is naturally silica rich and has at least about 40% indigenous silica.

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Patent Owner(s)

Patent OwnerAddress
COVIA HOLDINGS CORPORATION3 SUMMIT PARK DRIVE SUITE 700 INDEPENDENCE OH 44131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fish, Russell J Hardin, US 1 0
Westbrook, Claud E Shanghai, CN 2 0

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