Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2006-01-11
2008-12-09
Barts, Samuel A (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Reexamination Certificate
active
07462743
ABSTRACT:
A crystalline Form II of memantine hydrochloride, pharmaceutical compositions containing crystalline Form II, and methods of preparing crystalline Forms I and II of memantine hydrochloride are provided.
REFERENCES:
patent: 3391142 (1968-07-01), Mills et al.
patent: 4122193 (1978-10-01), Scherm et al.
patent: 5061703 (1991-10-01), Bormann et al.
patent: 5599998 (1997-02-01), Kraus
patent: 5614560 (1997-03-01), Lipton
patent: 1335299 (2002-02-01), None
patent: 1400205 (2003-03-01), None
patent: 282 398 (1997-05-01), None
patent: 2002 275142 (2002-09-01), None
patent: WO 2005/069742 (2005-04-01), None
patent: WO 2005/062724 (2005-07-01), None
patent: WO-2007/132476 (2007-11-01), None
Gerzon, et al. “The Adamantyl Group in Medicinal Agents. I. Hypoglycemic N-Arylsulfonyl-N′-Adamantylureas”J. Medicinal Chemistry, vol. 6, p. 760-763 (1963).
Henkel, et al. “Structure-Anti-Parkinson Activity Relationships in the Aminoadamantanes. Influence of Bridgehead Substitution”J. Medicinal Chemistry, vol. 25, p. 51-56, (1982).
Aronhime Judith
Daverio Paola
Kovacsne-Mezei Adrienne
Merli Valeriano
Barts Samuel A
Kenyon & Kenyon LLP
Teva Pharmaceutical Fine Chemicals S.r.l.
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