Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-04-04
2010-11-23
Kifle, Bruck (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S229800, C540S456000
Reexamination Certificate
active
07838519
ABSTRACT:
Ansamycin analogs, including maytansinoid analogs, and their use in treating cell proliferative diseases and conditions, and in particular, for use as antitumor agents.
REFERENCES:
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patent: WO 2005/099754 (2005-10-01), None
Spiteller et al. (Journal of the American Chemical Society (2003), 125(47), 14236-14237).
Cassady et al., “Recent Developments in the Maytansidnoid Antitumor Agents”, Chem. Pharm. Bull, 52 (1): Jan. 1-26, 2004.
Kupchan, S.M. et al. “Maytansine, a Novel Antileukemic Ansa Macrolide fromMaytenus ovatus”, J. Am. Chem. Soc. vol. 94, p. 1354-1356, 1972.
Cassady John M.
Floss Heinz G.
Calfee Halter & Griswold LLP
Kifle Bruck
The Ohio State University Research Foundation
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