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Expired Canadian patentCanada

Fructosamine oxidase: antagonists and inhibitors

CA 2344690 C · Owner: Glycox Corporation Limited · Inventors: Cooper, Garth James Smith; Baker, John Richard

CIPO record

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Abstract From the Canadian patent

Methods of reducing the consequences of macrovascular and microvascular damage in a diabetic patient reliant upon the inhibition and/or antagonism of Fructosamine oxidase in the patient. Inhibition and/or antagonism can involve the use of copper chelating agents substrate analogues or hydrazine compounds.

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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 September 24, 1999 and granted March 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 24, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 24, 1999
GrantedMarch 22, 2011
Term endedSeptember 24, 2019
Patent numberCA 2344690 C
Classification (IPC)A61K31/15 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedSep 24, 1999Patent grantedMarch 22, 2011Term endedSep 24, 2019

Sources & verification

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