Directly compressible sustained release excipient
US4994276A · kind A · utility
83Cited by
39References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1988 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Sep 19, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2018
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A free-flowing directly compressible granulation useful as a slow release pharmaceutical excipient is disclosed. The excipient includes a hydrodrophilic matrix which includes a heteropolysaccharide and a polysaccharide material capable of cross-linking the heteropolysaccharide, and an inert diluent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.