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Expired Canadian patentCanada

Method and apparatus for reducing the activation energy of chemical reactions

CA 1078778 A · Owner: Killer, Walter H. P. · Inventors: Killer, Walter H. P.

CIPO record

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Abstract From the Canadian patent

A method of and apparatus for, reducing the activation energy of a chemical reaction between organic polarizable, reactive molecules comprising the steps of: producing a liquid phase containing reactants; and generating an electrical field by means of a capacitor arrangement having electrodes in said phase, at least one of said electrodes comprising an insulating surface layer consisting of an insulating metal compound.

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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 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 3, 1980
Term endedJune 3, 1997
Patent numberCA 1078778 A
Classification (IPC)B01J19/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJune 3, 1980Term endedJune 3, 1997

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