Method and composition for moisturizing the skin
US4151304A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1976 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Nov 5, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The use of certain complex carboxylic acids and the salts thereof in compositions capable of providing a moisturizing effect in skin and methods for their use is disclosed. The compositions comprise a water-in-oil emulsion containing an amount that is effective to provide a moisturizing effect when applied to the skin, of a compound selected from the group consisting of .alpha.-methyl-butyrolactone-.gamma.-carboxylic acid, the alkali metal salts of said acids and mixtures thereof; or selected from the group consisting of the succinic half acid esters of sucrose having a degree of substitution of at least about 5, the salts of said acids and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.