Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-07-10
2007-07-10
Kifle, Bruck (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S235200, C540S461000
Reexamination Certificate
active
10868724
ABSTRACT:
2-Desmethyl ansamycins having a structure according to formula I, where R1, R2, R3, R4, R5and R6are as defined herein, and other 2-desmethyl ansamycins are useful as antiproliferative agents
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McDaniel Robert
Myles David C.
Patel Kedar Gautam
Piagentini Misty
Tian Zong-Qiang
Chao Yuan
Kifle Bruck
Kosan Biosciences, Inc.
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