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Canadian application, no grantCanada

Syntheses of a variety of lamellarin compounds and analogues

CA 2334322 A1 · Owner: The Australian National University · Inventors: Flynn, Bernard Luke; Banwell, Martin Gerhardt

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 relates to methods for preparing a variety of Lamellarin compounds and analogues via a synthetic intermediate which methods involved , the step of performing an intramolecular cyclization of a compound of Formula (I) to produce compounds of Formula (II) wherein the variables are given in , the specification.

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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 25, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 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.
FiledJune 25, 1999
GrantedNo grant recorded
Term endedJune 25, 2019
Patent numberCA 2334322 A1
Classification (IPC)C07D491/14 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJune 25, 1999Term endedJune 25, 2019

Sources & verification

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