Solid forms of fesoterodine fumarate
US8049031B2 · kind B2 · utility
1Cited by
1References
16Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Dec 22, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C57/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New solid forms of fesoterodine fumarate are described. In particular, amorphous fesoterodine fumarate, characterized by a powder X-ray diffraction spectrum as shown in FIG. 1 and by an IR spectrum as shown in FIG. 2 is described. Also fesoterodine fumarate in crystalline form I, characterized by a powder X-ray diffraction spectrum as shown in FIG. 3, by a DSC profile as shown in FIG. 4, by an IR spectrum as shown in FIG. 5, by a solid state 13C-NMR spectrum as shown in FIG. 6 and by a Raman spectrum as shown in FIGS. 7, 8 and 9 is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.