Sustained-release transdermal delivery preparations
US4749574A · kind A · utility
33Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1987 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Apr 1, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/0015
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a sustained-release transdermal delivery preparation which comprises a slow-release microcapsule containing 2-nitroxymethyl-6-chloropyridine or its occlusion compound with .beta.-cyclodextrin and a skin-compatible base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.