Penetration enhancement of topically applied therapeutic formulations
US6017520A · kind A · utility
13Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | May 2, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/006
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described is the use of vitamin E in topically applied compositions for the purpose of enhancing the penetration of therapeutically effective (cosmetically or pharmaceutically-active) drug or cosmetic ingredients. The topical compositions containing the penetration-enhancing concentration of vitamin E may be provided in a variety of forms including semi-solid (gel, paste, cream, lotion, ointment, etc.), liquid, suspension, film or laminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.