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Expired Canadian patentCanada

Novel inositol polyphosphate kinase genes and uses thereof

CA 2434602 C · Owner: E.I. Dupont De Nemours And Company · Inventors: Shi, Jinrui; Rafalski, Jan Antoni; Beach, Larry R.

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Abstract From the Canadian patent

This invention relates to newly identified polynucleotides and polypeptides in the phytic acid biosynthetic pathway, variants and derivatives of same; methods for making the polynucleotides polypeptides, variants, derivatives , and antagonists. In particular the invention relates to polynucleotides and polypeptides of the inositol polyphosphate kinase gene family. In particular this invention relates to using the newly identified polynucleotides and polypeptides to modulate the phytic acid biosynthesis in such a way as to decrease phytate and/or increase non-phytate phosphorous especially in corn , or soy animal feedstuffs.

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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 January 9, 2002 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 9, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2024.
  • 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 9, 2002
GrantedJanuary 7, 2014
Term endedJanuary 9, 2022
Patent numberCA 2434602 C
Classification (IPC)C12N15/54 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJan 9, 2002Patent grantedJan 7, 2014Term endedJan 9, 2022

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