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Expired Canadian patentCanada

Spin coating of electrolytes

CA 1291906 C · Owner: Maclay, G. Jordon · Inventors: Stetter, Joseph R.; Maclay, G. Jordon

CIPO record

Overview

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

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Abstract From the Canadian patent

Methods for spin coating electrolytic materials onto substrates are disclosed. More particularly methods for, depositing solid coatings of ion-conducting material onto planar substrates and onto electrodes are disclosed. These spin coating methods are employed to fabricate electrochemical sensors for use in measuring, detecting and quantifying gases and liquids.

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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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
  • 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 25, 1988
GrantedNovember 12, 1991
Term endedNovember 12, 2008
Patent numberCA 1291906 C
Classification (IPC)G01N27/30 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMay 25, 1988Patent grantedNov 12, 1991Term endedNov 12, 2008

Sources & verification

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