Pharmaceutical salt of...

Details Pharmaceutical salt of... Pharmaceutical salt of...

2004-06-29

2008-10-21

Chang, Celia (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C514S319000, C546S205000

Reexamination Certificate

active

07439365

ABSTRACT:
The present invention relates to the oxalate salt of 1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl]methyl piperidine, commonly known as Donepezil, and its method of preparation.

REFERENCES:
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Conyers et al. “The relation of clinical catastrophes . . . ” CA 113:228637 (1990).
Lenin et al. “Attenuation of oxalate . . . ” CA 137:103659 (2002).
Jain et al. “Polynmorphism in parmacy” INdan Drugs, 23(6) p. 315-329 (1986).
Otsuka et al. “Effect of polymorphic forms of . . . ” Chem. Pharm. Bull 47(6) 852-856 (1999).
Taday et al. “Using terahertz pulse spectroscopy . . . ” J. Pharm Sci. 92(4) 831-838 (2003).
Exhibit A and B.

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