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Expired Canadian patentCanada

Antibiotic called "chloropolysporin", a process for its preparation, and its therapeutic and veterinary use

CA 1212060 A · Owner: Sankyo Company, Limited · Inventors: Torikata, Akio; Haneishi, Tatsuo; Katayama, Toshiaki

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Abstract From the Canadian patent

ANTIBIOTIC CALLED "CHLOROPOLYSPORIN" A PROCESS FOR ITS, PREPARATION, AND ITS THERAPEUTIC AND VETERINARY USE A novel compound, called chloropolysporin has, antibiotic properties and would appear to be a member of the class of glycopeptide antibiotics containing chlorine. It may be produced by cultivating a suitable strain of microorganism of the genus Micropolyspora especially Micropolyspora sp. SANK 60983 (FERM BP-538). It may be combined with conventional pharmaceutically acceptable carriers or diluents for therapeutic use or incorporated into edible excipients, such as feed or water, for use as a growth-promoting agent especially, for farm animals.

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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 September 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 13, 1984
GrantedSeptember 30, 1986
Term endedSeptember 30, 2003
Patent numberCA 1212060 A
Classification (IPC)C12P21/00 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJuly 13, 1984Patent grantedSep 30, 1986Term endedSep 30, 2003

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.