Controlled-release, drug-delivery tableted composition including a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone
US6129931A · kind A · utility
1Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Oct 10, 2000 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2009
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pH-dependent, controlled-release, drug delivery composition is described herein which includes: PA1 (a) a complex between poly(maleic diacid-alkyl vinyl ether) and polyvinylpyrrolidone, or their equivalents, and PA1 (b) an effective amount of a pharmaceutical medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.