Polymorphs of quetiapine fumarate

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C540S551000

Reexamination Certificate

active

10488628

ABSTRACT:
The present invention relates to novel polymorphic forms of quetiapine fumarate, processes for their preparation and pharmaceutical compositions containing them.

REFERENCES:
patent: 4879288 (1989-11-01), Warawa et al.
patent: 6372734 (2002-04-01), Snape
patent: 2002/0147186 (2002-10-01), Snape
patent: 2003/0216376 (2003-11-01), Lifshitz-Liron et al.
patent: 2004/0220400 (2004-11-01), Diller et al.
Flohr, M.J.K. “X-ray Powder Diffraction” USGS information Handout [online], May 1997 [retrieved Aug. 9, 2006]. Retrieved from the Internet: pubs.usgs.gov/info/diffraction/html/index.html.

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