Controlled release-initiation and controlled release-rate pharmaceutical composition
US5496561A · kind A · utility
60Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1994 |
| Grant date | Mar 5, 1996 |
| Priority date | — |
| Expiry date | Aug 24, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2853
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A controlled release-initiation and controlled release-rate pharmaceutical composition in which a drug-containing composition is coated with a membrane layer comprising a water insoluble high polymer and silicone. The starting time for the release of drugs from the controlled release-initiation and controlled release-rate pharmaceutical composition of this invention and the drug-releasing rate thereafter can be controlled at will.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.