Hair-treating microemulsion composition and method of preparing and using the same
US5077040A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Apr 30, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A microemulsion composition for treating the hair, comprising a water-insoluble amino-containing compound, such as an amine or an amino-functionalized silicone; an ionizable metal salt, wherein the metal has a valence of at least II, such as magnesium chloride or zinc chloride; an ester compound having the general structural formula EQU R.sub.1 --O--(A).sub.X --CH.sub.2 CO.sub.2 R.sub.2, wherein R.sub.1 is an alkyl group including from about eight to about 18 carbon atoms, R.sub.2 is an alkyl group including from one to about four carbon atoms, A is an alkylene oxide moiety wherein the alkylene group includes from one to about four carbon atoms, and X is a number in the range of from about 4 to about 20; and water, and wherein the composition has a pH of less than 7 and a particle size in the range of from about 0.1 nm to about 250 nm, to impart durable conditioning properties to treated hair is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.