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Expired Canadian patentCanada

1-(1'-carbamoyloxy-2',2',2'-trichloroethyl)-1,2,4-triazole derivatives as pesticides

CA 1050554 A · Owner: Ciba-Geigy Ag · Inventors: Hubele, Adolf

CIPO record

Overview

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Abstract From the Canadian patent

A C T, of the Disclosure, Compounds of the formula I (I), wherein, R1 represents hydrogen, C1-C3 alkyl or C1-C3-alkoxy and, R2 represents C1-C6 alkyl or C3-C4-alkenyl both optionally substituted by cyano, halogen, nitro, C1-C3-alkoxy or C1-C3-alkylthio, C3-C8-cycloalkyl or C3-C8cycloalkenyl both optionally substituted by C1-C3-alkyl. A particularly important group of compounds of formula I is that wherein R2 represents a C1-C4-alkyl group which are useful as pesticides especially as fungicides.

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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 March 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 1996.
  • 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—
GrantedMarch 13, 1979
Term endedMarch 13, 1996
Patent numberCA 1050554 A
Classification (IPC)C07D249/08 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 13, 1979Term endedMarch 13, 1996

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