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Expired Canadian patentCanada

Thiolated polypeptide compound derived from a tetanus toxin fragment, the process for its obtention and its applications

CA 1182811 A · Owner: Institut Pasteur · Inventors: Bizzini, Bernard

CIPO record

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Abstract From the Canadian patent

A new thiolated polypeptide compound derived from a fragment of tetanus toxin, the process for its obtention and its applications. This compound consists of the IIc fragment of tetanus toxin,having at least one. -SH group either directly or Indirectly bound thereto. It is usable as a specific neuropharmacological transport agent for transporting a medicine to the central nervous system,as a specific labeller for neuronal cells or or diagnosis purposes. It can be coupled with a medicine or a labeller.

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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 February 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 21, 1982
GrantedFebruary 19, 1985
Term endedFebruary 19, 2002
Patent numberCA 1182811 A
Classification (IPC)C07K19/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJan 21, 1982Patent grantedFeb 19, 1985Term endedFeb 19, 2002

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