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Expired Canadian patentCanada

4-trans-substituted cyclohexylamine derivatives, fungicides containing these and a method of controlling fungi

CA 1296362 C · Owner: Pommer, Ernst-Heinrich · Inventors: Pommer, Ernst-Heinrich; Sauter, Hubert; Goetz, Norbert

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Abstract From the Canadian patent

4-trans-substituted cyclohexylamine derivatives of the formula, where R1 is the group CR5R6R7 in which R5, R6 and R7 are hydrogen, unsubstituted or substituted alkyl alkoxy, alkylthio or cycloalkyl, with, the proviso that not more than one of the substituents R5 R6 and R7 may, be hydrogen, or in which R6 and R7 together with the included carbon atom form a three-membered to six-membered carbocyclic aliphatic ring R2 and R3 are hydrogen, alkyl, alkenyl or alkynyl or cycloalkyl or cycloalkenyl, which in turn may be substituted with the proviso that the, sum of the carbon atoms and hetero atoms (0 5 and halogen) of R2 and R3, together is not less than 8 R4 is hydrogen, alkyl, cycloalkyl or …

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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 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 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.
FiledAugust 24, 1987
GrantedFebruary 25, 1992
Term endedFebruary 25, 2009
Patent numberCA 1296362 C
Classification (IPC)C07C211/34 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 24, 1987Patent grantedFeb 25, 1992Term endedFeb 25, 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.