Cosmetic or pharmaceutical composition containing microspheres of polymers or of fatty substances filled with at least one active product
US5292512A · kind A · utility
79Cited by
7References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1989 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Dec 20, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q7/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a pharmaceutical or cosmetic composition for topical application, containing, in a suitable carrier, microspheres of polymers or of fatty substances filled with at least one active product, characterized in that at least 80% of the microspheres employed have a diameter of between 3 .mu.m and 10 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.