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Expired Canadian patentCanada

Ortho-substituted phenol ethers and fungicides which contain these compounds

CA 1307290 C · Owner: Schuetz, Franz · Inventors: Sauter, Hubert; Lorenz, Gisela; Wenderoth, Bernd

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Abstract From the Canadian patent

O.Z. 0050/39831, ABSTRACT OF THE DISCLOSURE: Ortho-substituted phenol ethers of the general formula I, I, where, R1 is C1-C4-alkyl C1-C4-alkoxy, C1-C4-alkylthio or amino which is unsubstituted or mono- or disubstituted by C1-C4-alkyl R2 is C1-C4-alkyl, R3 is aryloxy, arylthio or arylalkoxy the aromatic ring being unsub-, stituted or substituted by one or more of the following radicals: halogen, C1-C6-alkyl, C1-C6-alkoxy, C1-C4-alkylthio C1-C2-haloalkyl, aryl, aryl-C1-C2-alkoxy C1-C4-alkylcarbonyl, mono- or di-C1-C4-alkylsubstituted amino. cyano, nitro, X is CH or N and, Y is saturated or unsaturated C2-C12-alkylene and fungicides containing these compounds.

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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 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.
FiledMarch 14, 1989
GrantedSeptember 8, 1992
Term endedSeptember 8, 2009
Patent numberCA 1307290 C
Classification (IPC)C07C69/73 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMarch 14, 1989Patent grantedSep 8, 1992Term endedSep 8, 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.