Pharmaceutical or cosmetic composition in the form of a rod or stick constituted from two concentric fatty phases and a casting permitting its preservation and distribution
US4615633A · kind A · utility
2Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1984 |
| Grant date | Oct 7, 1986 |
| Priority date | — |
| Expiry date | Nov 7, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A rod or stick for pharmaceutical or cosmetic use in topical application to the skin of an easily oxidizable active substance comprises an internal fatty phase or core phase containing in an anhydrous medium the oxidizable active substance. The said core phase is protected from oxidation by an external fatty phase or sheath phase containing at least one surface active agent. The said sheath phase entirely envelopes the circumferential surface and at least one end section of said core phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.