Use of alkoxylated alkanolamide as friction-reducing agent
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United States of America Patent
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Aug 23, 1994
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app pub date -
Jul 1, 1993
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Jan 31, 1991
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Abstract
Use of an alkoxylated alkanolamide of general formula (I), ##STR1## wherein R is a hydrocarbon group having 7-35 carbon atoms, preferably 9-23 carbon atoms, A is an alkyleneoxy group having 2-4 carbon atoms, and n is 2-20, preferably 3-12, for producing a water-base liquid system with reduced flow resistance between the flowing, water-base liquid system and a solid surface.
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