Patent Yard Sign in
Expired Canadian patentCanada

Non-invasive diagnostic imaging technology for mitochondria dysfunction using radiolabeled lipophilic salts

CA 2474142 C · Owner: Ravert, Hayden T. · Inventors: Scheffel, Ursula A.; Frost, James J.; Dannals, Robert

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The invention provides a series of lipophilic phosphonium cations (PhCs) labeled , with18F, having the following formula: (see above formula) , wherein R1 to R4 p, q and r are as defined herein, for non-invasive assessment of .DELTA..PSI.m lipophilic ammonium cation , analogs of the PhCs and , methods of using same for imaging and detection of mitochondrial-related pathologies in , patients using PET or SPECT.

Read the whole patent

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 February 6, 2003 and granted February 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 6, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 6, 2003
GrantedFebruary 5, 2013
Term endedFebruary 6, 2023
Patent numberCA 2474142 C
Classification (IPC)C07F9/54 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedFeb 6, 2003Patent grantedFeb 5, 2013Term endedFeb 6, 2023

Sources & verification

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