Polymeric diffusion matrix containing ephedrine
US4292301A · kind A · utility
16Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1980 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Jul 9, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/565
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is disclosed a polymeric diffusion matrix for the sustained release of ephedrine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharamaceutically effective amount of ephedrine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.