Biodegradable Quaternary Compounds as Emulsifiers for Microemulsions
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Sep 22, 2011
filing date -
Nov 1, 2010
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Abandoned
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Abstract
The present invention pertains to the use of cationic surfactants corresponding to formula (I): in which R is an alkyl or alkenyl group containing II carbon atoms, R1 and R2 independently represent hydrogen or C1-4 alkyl, R3 is a C1-4 alkyl group, R4 is hydrogen or methyl, A is a linear or branched C2-6 alkylene group, n is a number from 1 to 25, and X is halogen or alkyl sulfate. Compounds of formula (I) are useful as emulsifiers for aqueous microemulsions containing terpenes.
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