Torsemide polymorphs
US6465496B1 · kind B1 · utility
1Cited by
10References
91Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2000 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Sep 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to the novel forms of torsemide, designated Form V, amorphous torsemide, Dupont Form 2 solvent adduct, Dupont Form 2 ethanol adduct and Dupont Form 2 isopropanol adduct. Methods for their preparation are also disclosed. The present invention also relates to processes for making torsemide modification I. Pharmaceutical compositions containing the new forms of torsemide and methods of using them are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.