Compressible sustained release solid dosage forms
US5135757A · kind A · utility
54Cited by
46References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1991 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Jan 16, 2011 |
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 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.