Novel surfactants and use thereof
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United States of America Patent
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Issued Date -
Mar 23, 2006
app pub date -
Dec 26, 2003
filing date -
Jan 7, 2003
priority date (Note) -
Abandoned
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Abstract
The invention relates to a novel surfactant which is obtained by blending an N--C.sub.8-24 acylamino acid and an alkali salt of an amino acid, and also relates to a detergent composition comprising this surfactant as a cleansing component and an emulsion composition comprising this surfactant as an emulsifying component. In the alkali salt of an amino acid, a suitable amino acid is an acidic or neutral .alpha.-amino acid, and a suitable alkali is sodium, potassium, triethanolamine, or N-methyltaurine sodium. In the N--C.sub.8-24 acylamino acid, a suitable amino acid is acidic or neutral, and a suitable C.sub.8-24 acyl is a C.sub.12-18 acyl. This surfactant can provide a detergent composition which ensures good lathering ability and foam quality and which does not cause stiff hair or taut skin after use. The surfactant can also provide an emulsion composition which ensures a good emulsion state.
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