Controlled release dosage forms containing water soluble drugs
US5851555A · kind A · utility
43Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1997 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Aug 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1652
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Controlled release dosage units containing water soluble active agents can be made using an active agent, an optional inert carrier, a cellulosic polymer and a lipophilic ingredient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.