Salts of clopidogrel and process for preparation

Details Salts of clopidogrel and process for preparation Salts of clopidogrel and process for preparation

2010-04-14

2011-11-08

Kosar, Andrew D (Department: 1622)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

08053579

ABSTRACT:
Disclosed are new salts of Clopidogrel viz. Clopidogrel mesylate, Clopidogrel besylate and Clopidogrel tosylate, methods for their preparation and pharmaceutical compositions containing them and their use in medicine.

REFERENCES:
patent: 4529596 (1985-07-01), Aubert et al.
patent: 4847265 (1989-07-01), Badorc et al.
patent: 6429210 (2002-08-01), Bousquet et al.
patent: 6509348 (2003-01-01), Ogletree
patent: 6635763 (2003-10-01), Pandey et al.
patent: 6767913 (2004-07-01), Lifshitz et al.
patent: 2002/0177712 (2002-11-01), Pandey et al.
patent: 2005/0203122 (2005-09-01), Doser et al.
patent: 2005/0256152 (2005-11-01), Doser et al.
patent: 2006/0264636 (2006-11-01), Lohray et al.
patent: 2007/0037842 (2007-02-01), Lohray et al.
patent: 2007/0082924 (2007-04-01), Lohray
patent: 2009/0270448 (2009-10-01), Rey et al.
patent: 1900358 (2008-03-01), None
patent: 2004/013147 (2004-02-01), None
patent: 2004/072084 (2004-08-01), None
patent: 2004/072085 (2004-08-01), None
patent: 2004/074215 (2004-09-01), None
Anonymous “Stability report for Clopidogral besylate substance” one page (2008).
Byrn et al. “Solid-state pharmaceutical chemistry” Chem. of Materials 6:1148-1158 (1994).
Byrn et al. Solid-State Chemistry of Drugs, Academic Press, pp. 3-27 (1982).
Caira “Crystalline polymorphism of organic compounds” Topics in Curr. Chem. 198:163-208 (1998).
Dunitz et al. “Disappearing polymorphs” Accounts of Chem. Res. 28:193-200 (1995).
Fiers v. Sugano 25 USPQ2d 1601, 7 pgs (Fed. Cir. 1993).
Knapman “Polymorphic prediction” Modern Drug Discovery 3:53-54 and 57 (2000).
Rosenberg, Patent Law Basics, West Group pp. 9-58 and 9-59 (2000).
Rosenberg, Patent Law Basics, West Group pp. 9-62 and 9-63 (2000).
Rosenberg, Patent Law Basics, West Group pp. 9-30 and 9-31 (2000).
Int'l Search Report for PCT/IN2004/000112, mailed Jan. 25, 2005.
Written Opinion for PCT/IN2004/000112, mailed Jan. 25, 2005.
Int'l Preliminary Report on Patentability for PCT/IN2004/000112 mailed Sep. 5, 2005.

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