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Expired Canadian patentCanada

Amperometric detection using a flow jet cell with a micro working electrode

CA 1307027 C · Owner: Bond, Alan Maxwell · Inventors: Bond, Alan Maxwell; Bixler, John Wilson

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Abstract From the Canadian patent

Apparatus and method for the electrochemical detection of an electroactive species in which a sample containing the species is passed through a flow jet cell provided with a microelectrode as the working electrode. Preferably the, current flow through the cell is measured using a picoammeter or femtoammeter.

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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 September 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledJuly 2, 1987
GrantedSeptember 1, 1992
Term endedSeptember 1, 2009
Patent numberCA 1307027 C
Classification (IPC)G01N27/41 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 2, 1987Patent grantedSep 1, 1992Term endedSep 1, 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.