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Expired Canadian patentCanada

Azolylnitriles, and fungicides containing these compounds

CA 1296008 C · Owner: Sauter, Hubert · Inventors: Pommer, Ernst-Heinrich; Ammermann, Eberhard; Roeser, Karl

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Abstract From the Canadian patent

Compounds of the formula (I), where R2 is a 5-membered or 6-membered heterocyclic structure possessing one or two hetero atoms or is phenyl which is unsubstituted or substituted by Rn, R is hydrogen alkyl, alkoxy, alkylthio, alkylsulfonyl halogen, halo-, alkyl, nitro, cyano, unsubstituted or substituted phenyl unsubstituted or substituted phenoxy or unsubstituted or substituted amino, R1 is alkyl, cycloalkyl cycloalkyl-, alkyl, unsubstituted or substituted aryl unsubstituted or, substituted aralkyl, unsubstituted or substituted aryloxyalkyl, unsubstituted or substituted benzyloxyalkyl unsub-, stituted or substituted alkenyl unsubstituted or sub-, stituted alkynyl or (CH2-CH2O)m-R4 where R4 …

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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledJune 5, 1985
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1296008 C
Classification (IPC)C07D233/61 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJune 5, 1985Patent grantedFeb 18, 1992Term endedFeb 18, 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.