Topical compositions
US6461622B2 · kind B2 · utility
31Cited by
26References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1997 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Feb 27, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Skin care compositions comprising an oil-in-water emulsion base containing retinoids and possessing good physical and chemical stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.