Fexofenadine polymorphs and processes of preparing the same

Details Fexofenadine polymorphs and processes of preparing the same Fexofenadine polymorphs and processes of preparing the same

2004-08-25

2008-12-30

Seaman, D. Margaret (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07470789

ABSTRACT:
Anhydrous crystalline fexofenadine hydrochloride Form C, crystalline fexofenadine acetate monohydrate Form D, crystalline fexofenadine acetate dihydrate Form E and crystalline fexofenadine free base monohydrate Form F, processes of preparing the same, pharmaceutical compositions thereof, therapeutic uses thereof and methods of treatment therewith.

REFERENCES:
patent: 4254129 (1981-03-01), Carr et al.
patent: 5654433 (1997-08-01), King et al.
patent: 2002/0177608 (2002-11-01), Dolitzky et al.
patent: 1178041 (1995-04-01), None
patent: 0 766668 (1997-04-01), None
patent: 1 178 041 (2002-02-01), None
patent: WO 93/21156 (1993-10-01), None
patent: WO 95/00482 (1995-01-01), None
patent: WO 95/31437 (1995-11-01), None
patent: WO 01/94313 (2001-12-01), None
patent: WO 02/066429 (2002-08-01), None
patent: WO 02/080857 (2002-10-01), None
patent: WO 02/102777 (2002-12-01), None
patent: WO 03/011295 (2003-02-01), None
patent: WO 03/039482 (2003-05-01), None
patent: WO 03/104197 (2003-12-01), None
International Search Report, PCT/GB2004/003624, Jan. 27, 2005, 8 pgs.
Kawai, Stephen H., et al., “A Facile Synthesis of an Oxidation Product of Terfenadine,” XP-002064406, J. Org. Chem., vol. 59, No. 9, 1994, pp. 2620-2622.
Foreign Communication, International Preliminary Report on Patentability of PCT/GB2004/003624, Feb. 27, 2006, 9 pages.

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