Substantive water-soluble 2-hydroxy sulfobetaines of cinnamidoalkylamines
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United States of America Patent
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Mar 11, 2003
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app pub date -
Mar 22, 2002
filing date -
Aug 10, 2001
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Abstract
Substantive UV-absorbing water-soluble 2-hydroxy sulfobetaine of cinnamidoalkylamines of Formula I. Hair, skin and fabric care compositions containing the compounds of Formula I. ##STR1## wherein, R.sub.1 is a substituent, selected from H, halo, --OH, --NH.sub.2, --NO.sub.2, --OCH.sub.3, --N(CH.sub.3).sub.2, alkyl groups containing from 1 to 6 carbon atoms, alkoxy groups containing from 1 to 6 carbon atoms, alkylamino or N,N-dialkylamino groups containing from 1 to 6 carbon atoms; R.sub.2 is selected from hydrogen, alkyl group containing from 1 to 12 carbon atoms; R.sub.3 and R.sub.4 are independently selected from benzyl, alkyl group containing from 1 to 12 carbon atoms, n is an integer from 1 to 6.
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