Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-07-17
2007-07-17
Aulakh, Charanjit S. (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S015000, C546S018000
Reexamination Certificate
active
10520421
ABSTRACT:
The invention relates to novel fredericamycin derivatives of general formula (Ia) or (Ib), to medicaments containing the fredericamycin derivatives or salts thereof, and to the use of the fredericamycin derivatives for treating diseases, especially tumor diseases.
REFERENCES:
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patent: 4673678 (1987-06-01), Misra
patent: 5166208 (1992-11-01), Kelly et al.
Latham, Michael et al.: “Inhibition of Topoisomerases By Fredericamycin A,” Cancer Chemotherapy and Pharmacology (1989) 24: 167-171.
Warnick-Pickle, Dana J. et al.: “Fredericamycin A. A New Antitumor Antibiotic Biological Properties,” Journal of Antibiotics (1981) vol. 34, No. 11, pp. 1402-1407.
Abel Ulrich
Simon Werner
Aulakh Charanjit S.
Biofrontera Discovery GmbH
Connolly Bove & Lodge & Hutz LLP
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