Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-06-14
2005-06-14
Berch, Mark L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C544S225000
Reexamination Certificate
active
06906055
ABSTRACT:
A cephem compound (particularly its crystal) represented by the formula [I], wherein X is CH3COOH, CH3CH2COOH or CH3CN, and n is 0 to 5, is useful as an antibacterial agent (particularly anti-MRSA agent) and shows superior quality such as high solid stability, possible long-term stable preservation and the like.
REFERENCES:
patent: 5948774 (1999-09-01), Kamiyama et al.
patent: 6417175 (2002-07-01), Ishikawa et al.
patent: WO 99/32497 (1999-01-01), None
Tomoyasu Ishikawa, Bioorganic & Medicinal Chemistry, vol. 11, Issue 11, May 29, 2003, pp. 2427-2437.
“Acetonitrile” <http://www.lakes-environmental.com/toxic/ACETONITRILE.HTML>.
Hashiguchi Shohei
Iizawa Yuji
Ishikawa Tomoyasu
Berch Mark L.
Chao Mark
Ramesh Elaine M.
Takeda Chemical Industries Ltd.
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