Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2008-05-27
2008-05-27
Jiang, S. Anna (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S122000, C564S355000
Reexamination Certificate
active
10514739
ABSTRACT:
Processes for isolation and purification of enantiomerically enriched compositions comprising tramadol and topiramate, and also for the subsequent isolation of 1S,2S-tramadol hydrochloride, are disclosed herein.
REFERENCES:
patent: 3652589 (1972-03-01), Flick et al.
patent: 4513006 (1985-04-01), Maryanoff et al.
patent: 5336691 (1994-08-01), Raffa et al.
patent: 5468744 (1995-11-01), Raffa et al.
patent: 5516803 (1996-05-01), Raffa
patent: 6562865 (2003-05-01), Codd et al.
patent: 2002/0156133 (2002-10-01), Bartholomaeus et al.
patent: 2003/0158242 (2003-08-01), Kugelmann
patent: 19927689 (2000-12-01), None
patent: 19940740 (2001-03-01), None
patent: WO 01/13904 (2002-03-01), None
PCT Search Report for International Application No. PCT/EP03/05321 dated Sep. 11, 2003.
Hunziker Thomas
Laufer Guenter
Naeff Rainer
Spycher-Huber Sonja
Cilag GmbH International
Crane L. E.
Jiang S. Anna
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