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Canadian application, no grantCanada

Method for searching for peptides and process for producing compounds

CA 2262116 A1 · Owner: Yamanouchi Pharmaceutical Co. Ltd. · Inventors: Karube, Isao; Yokobayashi, Yohei

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

Peptides having enhanced physiological activities are screened via the step (a) of synthesizing an arbitrary number of peptides having arbitrary amino acid sequences different from each other the step (b) of measuring the , desired physiological activities of the peptides synthesized in the step (a) and thus screening an arbitrary number of amino acids having high physiological activities, the step (c) of synthesizing peptides having amino acid sequences which are obtained by processing the data of the amino acid sequences and physiological activities of the peptides screened in the step (c) by a genetic algorithm, and the step (d) of subjecting the peptides obtained in the step (c) …

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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

  • Filed July 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2019.
  • 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 23, 1997
GrantedNo grant recorded
Term endedJuly 23, 2017
Patent numberCA 2262116 A1
Classification (IPC)G01N33/68 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJuly 23, 1997Term endedJuly 23, 2017

Sources & verification

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