Process for manufacture of quaternary ammonium tosylate salts of cinnamidoalkylamines and/or benzamidoalkylamines
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United States of America Patent
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May 16, 2006
Grant Date -
Apr 14, 2005
app pub date -
Oct 8, 2003
filing date -
Oct 8, 2003
priority date (Note) -
Expired
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Abstract
An efficient, simple, high yielding, eco-friendly process for the manufacture of tosylates quaternary ammonium salts of cinnamidoalkylamines and/or benzamidoalkylamines (Formula I) has been described. These compounds are substantive UV-absorbers. They are useful in making fabric care products and personal care products. ##STR00001## The scope of this methodology has been demonstrated by converting water soluble organic sunscreen quaternary halides to their corresponding tosylates of Formula VI. ##STR00002##
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