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Canadian application, no grantCanada

Indium photosensitizers for pdt

CA 2336306 A1 · Owner: Miravant Pharmaceuticals, Inc. · Inventors: Robinson, Byron C.; Phadke, Avinash S.

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 invention disclosed herein involves a phototherapeutic pyrrolic core complexed with a non-radioactive Indium atom. Complexation of Indium by the pyrrolic core forms a metalopyrrolic compound which influences enables these compounds to localize at target sites a phototherapy. Such functionally aids in both detection and phototherapy of disease sites or provides functionality , that binds to site specific receptors of a target area such that the therapy is improved.

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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 29, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 29, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 29, 2020.
  • 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 29, 1998
GrantedNo grant recorded
Term endedJune 29, 2018
Patent numberCA 2336306 A1
Classification (IPC)C07D487/22 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 29, 1998Term endedJune 29, 2018

Sources & verification

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