Treatment of coal tar emulsions

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United States of America Patent

PATENT NO 4395326
SERIAL NO

06342210

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Abstract

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The present invention relates to a process for the treatment of stable emulsions of water and quinoline insolubles in coal tar comprising thoroughly mixing the coal tar with at least one of a specific class of surface-active compositions, followed by a separation of water and quinoline insoluble components from the mixture. The invention also relates to a method of eliminating or minimizing the build-up of coal tar-derived deposits on surfaces in contact with the coal tar.

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Patent Owner(s)

Patent OwnerAddress
STEPAN CANADA INCMISSISSAUGA ONTARIO L4W 2V4

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cukier, Samuel 27 Newgate Rd., Toronto, Ontario, CA 7 33

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