7 .alpha. METHOXYCEPHALOSPORIN DERIVATIVES
CA 1060432 A · Owner: Sankyo Company, Limited · Inventors: Kaneko, Masakatsu; Nagano, Mitsuo; Yanagisawa, Hiroaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
7.alpha.-Methoxycephalosporin derivatives of formula (I): ( I), (in which: A represents an acetoxy group a carbamoyloxy, group or a (1-methyl-1H-tetrazol-5-yl)thio group; and Y represents a cyanomethylthio group, a 1-cyanoethylthio group, a propargylthio group, an azidomethylthio group a 2-hydroxyethylthio group, a 3-isoxazolyloxy group a, 3-isoxazolylthio group, a methylsulphonyl group an ethylsulphonyl, group, a 2-cyanoethylsulphonyl group or a sydnon-3-yl group) and pharmaceutically acceptable salts thereof are useful as antibacterial agents, nutritional supplements for animal feeds and therapeutic agents. These compounds may be prepared by reacting the corresponding …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 14, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 14, 1996.
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Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.