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US 5,866,040 AGranted
Complex and emulsified composition
AssigneeShiseido Company, Ltd.
InventorsYasunari Nakama, Michihiro Yamaguchi, Kiyoshi Miyazawa, Takayuki Ohmura
Life of this patent
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Abstract
A novel complex containing an ampholytic and/or semi-polar surfactant as well as a higher fatty acid, and if necessary, a clay mineral, and an emulsified composition containing this complex.
Claims10
A complex obtained by mixing at least one ampholytic or semi-polar surfactant selected from the group consisting of an ampholytic or semi-polar surfactant of the formulae ##STR6## wherein in the foregoing formulae (A), (B), (C), (D) and (F) R.sub.1 is an alkyl or alkenyl group having 9 to 17 carbon atoms on average,
- R.sub.2 is an alkyl or alkenyl group having 10 to 18 carbon atoms on average,
- x is an integer from 2 to 4,
- y is an integer from 0 to 3, and
- and at least one higher fatty acid having an even number of carbon atoms, the higher fatty acid having from 18 to 22 total carbon atoms.
1 more element
Dependencies are inferred from the claim text.