Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2008-07-08
2008-07-08
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...
C549S492000
Reexamination Certificate
active
10510817
ABSTRACT:
Diabetes treatments comprising, as effective ingredients, biguanide derivatives represented by the following general formula (1), or salts thereof.(wherein R1, R2and R3may be the same or different and each represents one selected from the group consisting of hydrogen, optionally substituted lower alkyl groups and optionally substituted lower alkylthio groups).
REFERENCES:
patent: 2961377 (1960-11-01), Shapiro et al.
patent: 54-12371 (1979-01-01), None
Shapiro, Seymour L., et al., Hypoglycemic Agents. III., J. Am. Chem. Soc., vol. 81, pp. 3728-3736 (1959).
Drugs in Japan: Ethical Drugs, 23rd Ed., p. 2094, 2000, Japan Pharmaceutical Information Center.
Matsuoka Hiroharu
Taka Naoki
Chugai Seiyaku Kabushiki Kaisha
Dentz Bernard
Morgan & Lewis & Bockius, LLP
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