Solid forms of fesoterodine fumarate

Details Solid forms of fesoterodine fumarate Solid forms of fesoterodine fumarate

2009-12-10

2011-11-01

Katakam, Sudhakar (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S129000, C560S136000, C560S252000

Reexamination Certificate

active

08049031

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.1and by an IR spectrum as shown in FIG.2is 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 state13C-NMR spectrum as shown in FIG.6and by a Raman spectrum as shown in FIGS.7, 8and9is described.

REFERENCES:
patent: 6858650 (2005-02-01), Meese
patent: 2006/0014832 (2006-01-01), Breitenbach et al.
patent: WO 2007/140986 (2007-12-01), None
patent: WO 2007/141298 (2007-12-01), None
patent: WO 2009/044278 (2009-04-01), None

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