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Canadian application, no grantCanada

Immunocontrapceptive methods and peptide or polypeptides for use in these methods

CA 2259237 A1 · Owner: Symons, Derek Bryan Alfred · Inventors: Taussig, Michael John; Symons, Derek Bryan Alfred

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 production of, anti-sera to small peptides or polypeptides which cross react, with uteroglobin is disclosed giving rise to diagnostic, and detection as well as immunocontraceptive methods, In particular a method for, controlling the fertility of a female mammal, especially, feral mammal such as wild rabbits, is described. This, method comprises administering to a mammal a peptide or, polypeptide which stimulates an immune response, said, response including production of elements which bind uteroglobin, and reduce fertility of said female mammal. Peptides or, polypeptides which may be used in the method include peptides, or polypeptides comprising a) uteroglobin or a fragment, thereof, a …

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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 June 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 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.
FiledJune 26, 1997
GrantedNo grant recorded
Term endedJune 26, 2017
Patent numberCA 2259237 A1
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJune 26, 1997Term endedJune 26, 2017

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