Use of Cupuassu butter based amphoteric amidoamines as amphoteric surfactants
US7951842B2 · kind B2 · utility
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2References
14Claims
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Key dates
| Filing date | Sep 9, 2005 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Sep 9, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to the use of compounds of the general formula (I): R′—CONH—X—NR2R3—R4—Y in which R1 represents an alkyl moiety containing 11 to 21 carbon atoms, X stands for a (CH2)n- group and n is an integer from 1 to 6, R2 and R3 independently represent an alkyl moiety with 1 to 4 carbon atoms or an hydrogen atom, Y stands for a COO— group, in cosmetic compositions, characterized in that the compound of formula (I): is prepared by reacting the oil from Theo-broma grandiflorum with an amine of the formula (II): H2N—X—NR2R3 and subsequently reaction with sodium monochloroacetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.