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Expired Canadian patentCanada

Vaccines against animal parasitic nematodes

CA 1340301 C · Owner: Austen, Rosemary Ann · Inventors: Austen, Rosemary Ann; O'Donnell, Ian Joseph; Wagland, Barry Maxwell

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to proteins derived from parasitic nematodes which confer protective immunity against infection by parasitic nematodes, to nucleotide sequences encoding these proteins, to recombinant molecules containing such sequences, to cells transformed with such recombinant molecules and methods for the production of the nucleotide sequences, recombinant molecules and host cells. The invention also relates to vaccines comprising proteins of the invention together with suitable carriers or diluents and to antibodies raised against proteins of the invention.

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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 January 5, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2016.
  • 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 6, 1988
GrantedJanuary 5, 1999
Term endedJanuary 5, 2016
Patent numberCA 1340301 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedJuly 6, 1988Patent grantedJan 5, 1999Term endedJan 5, 2016

Sources & verification

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