Sustained release pharmaceutical composition
US4178361A · kind A · utility
99Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1975 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Dec 1, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2027
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained release pharmaceutical composition which includes a pharmacological material; a biological binding agent for the pharmacological material; and a matrix of a water-insoluble but water-swellable hydrophilic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.