Patent Yard Sign in
Expired Canadian patentCanada

Cyclopropanecarboxamides and their use for controlling pests

CA 1314563 C · Owner: Leyendecker, Joachim · Inventors: Kuenast, Christoph; Neubauer, Hans-Juergen; Leyendecker, Joachim

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Cyclopropanecarboxamides I (I), where n is 0 or 1 and the substituents have the following meanings: R1 is hydrogen, halogen, C1-C4-alkyl, C1-C4-haloalkyl C1-C4-alkoxy, C1-C4-haloalkoxy, nitro or cyano; R2 is hydrogen, halogen, C1-C4-alkyl, C1-C4-haloalkyl C1-C4-alkoxy, C1-C4-haloalkoxy, nitro or cyano; R3 is hydrogen, halogen or C1-C3-alkyl; R4 and R5 are each hydrogen or C1-C4-alkyl; and R6 to R10 are each hydrogen, halogen or C1-C4-alkyl with the proviso that R4 to R10 are not simultaneously hydrogen pesticides containing compounds I and methods for combating pests.

Read the whole patent

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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 11, 1989
GrantedMarch 16, 1993
Term endedMarch 16, 2010
Patent numberCA 1314563 C
Classification (IPC)C07C233/60 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 11, 1989Patent grantedMarch 16, 1993Term endedMarch 16, 2010

Sources & verification

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