Pyroglutamic acid esters used as dermal penetration enhancers for drugs
US4970206A · kind A · utility
9Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0014
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to pyroglutamic acid esters used as dermal penetration enhancers for therapeutic agents having poor skin permeation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.