Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-12-19
2009-06-16
Aulakh, Charanjit S (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S047000
Reexamination Certificate
active
07547785
ABSTRACT:
A process for preparing topotecan.
REFERENCES:
patent: 5004758 (1991-04-01), Boehm et al.
patent: 5734056 (1998-03-01), Burk et al.
patent: 0321122 (1996-09-01), None
patent: WO 2005/046608 (2005-05-01), None
Matti Lankeshwara Rao
Nariyam Sekhar Munaswamy
Palle Venkata Raghavendra Acharyulu
Aulakh Charanjit S
Banks Lee
Dr. Reddy's Laboratories Inc.
Dr. Reddy's Laboratories Limited
Franks Robert A.
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