Encapsulated topical delivery system
US4917892A · kind A · utility
27Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Jun 28, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Delivery system for topical application comprising a highly viscous carrier containing dissolved or dispersed and microencapsulated topically-active agents providing immediate and sustained release of the topically-active agent to localized body sites.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.