Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-04-11
2006-04-11
Dentz, Bernard (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S218000, C514S232800, C514S320000, C514S336000, C514S422000, C540S575000, C544S149000, C544S376000, C546S207000, C546S281700, C548S517000, C549S265000, C549S270000, C549S271000
Reexamination Certificate
active
07026352
ABSTRACT:
The present invention provides a novel bioactive substance having an antitumor activity and a process for producing it, and a medical use thereof. Namely, it provides a 12-membered ring macrolide compound represented by the following formula obtained from the incubation solution ofStreptomycessp. Mer. 11107 or a variant thereof, a pharmacologically acceptable salt thereof or a hydrate of them, and a process for producing it
REFERENCES:
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Asai Naoki
Dobashi Kazuyuki
Fujita Masanori
Iwata Masao
Kawamura Naoto
Birch & Stewart Kolasch & Birch, LLP
Dentz Bernard
Eisai Co. Ltd.
Mercian Corporation
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