Controlled release bases for pharmaceuticals
US4970075A · kind A · utility
325Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 5, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Apr 5, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2027
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The release of therapeutically active agents from controlled release bases is extended by using a combination of a higher aliphatic alcohol and an acrylic resin as the base material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.