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Expired Canadian patentCanada

Amperometric method for the quantitative determination of 1,4-dihydronicotinamide adenine in solution

CA 1304127 C · Owner: Mullen, William Henry · Inventors: Dekeyzer, David Robert; Mason, Jeremy Richard; Delaney, Gerard Michael

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Abstract From the Canadian patent

AMPEROMETRIC METHOD FOR THE QUANTITATIVE DETERMINATION OF 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE (NADH) IN SOLUTION, A method is disclosed for the quantitative determintion of 1,4dihydronicotinamide adenine dinucleotide (NADH) in solution. The method comprises contacting the NADH-containing solution with an activated carbon electrode, maintaining the carbon electrode at a controlled fixed, potential effective to cause oxidation of NADH at the electrode surface and measuring the current output from the carbon electrode wherein there, is used a noble metal containing preferably platinised or palladised activated carbon electrode comprising a porous, heterogeneous resin-bonded layer of, …

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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

  • Granted June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 2, 1988
GrantedJune 23, 1992
Term endedJune 23, 2009
Patent numberCA 1304127 C
Classification (IPC)C12M1/40 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 2, 1988Patent grantedJune 23, 1992Term endedJune 23, 2009

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