Cationic vinyl imidazolium-based copolymer for separating an oil-in-water emulsion

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United States of America Patent

PATENT NO 9943782
SERIAL NO

14414590

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Embodiments of the present disclosure include a method of separating an oil-in-water emulsion formed during crude oil production into a water phase and an oil phase that includes adding 1 part-per-million (ppm) to 10000 ppm of a cationic vinyl imidazolium-based copolymer to the oil-in-water emulsion, based on the total volume of the oil-in-water emulsion, to form a water phase and an oil phase, and separating the water phase from the oil phase.

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Patent Owner(s)

Patent OwnerAddress
DOW INTERNATIONAL TECHNOLOGY CORPORATION2030 DOW CENTER MIDLAND MI 48674

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boyer, Cecile Lake Jackson, US 9 34
Hoyles, Stephen M Lake Jackson, US 13 34
Poindexter, Michael K Sugar Land, US 45 256
Yanjarappa, M J Pune, IN 3 5

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