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Canadian application, no grantCanada

Pyranosone dehydratase from phanerochaete chrysosporium

CA 2464940 A1 · Owner: Yu, Shukun · Inventors: Yu, Shukun; Pedersen, Hans Christian; Morgan, Andrew John

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention discloses sequence information relating to pyranosone dehydratase. The invention further relates to the use of pyranosone dehydratase in the conversion of AF to APP and microthecin and the conversion of glucosone to cortalcerone.

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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 October 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.
FiledOctober 30, 2002
GrantedNo grant recorded
Term endedOctober 30, 2022
Patent numberCA 2464940 A1
Classification (IPC)C12N9/88 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedOct 30, 2002Term endedOct 30, 2022

Sources & verification

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