Sulfated polyvinyl alcohol polymers to stabilize pharmaceutical drug compounds
US5662919A · kind A · utility
1Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1994 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Nov 21, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/32
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stable formulations of positively charged, hydrolytically unstable drug compounds are obtained by adding a sulfated polyvinyl alcohol copolymer to the formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.