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Expired Canadian patentCanada

Peptides useful in vaccination against enteroviruses

CA 1287447 C · Owner: The National Research Development Corporation · Inventors: Minor, Philip D.; Ferguson, Morag; Evans, David M.A.

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

A synthetic peptide, suitable for use in vaccination against or diagnosis of a disease caused by an enterovirus and especially by a poliovirus is the peptide, coded for by codons 286-290 in the RNA sequence coding for the structural capsid protein VP1 of poliovirus type 3 Sabin strain or by equivalent codons of another enterovirus or is an antigenic equivalent thereof, the numbers of the codons being counted from the 5'-terminus of the nucleotide sequence coding for the VP1 capsid protein.

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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 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 30, 1986
GrantedAugust 6, 1991
Term endedAugust 6, 2008
Patent numberCA 1287447 C
Classification (IPC)C07K14/10 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 30, 1986Patent grantedAug 6, 1991Term endedAug 6, 2008

Sources & verification

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