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Expired Canadian patentCanada

Aryloxyphenylthioureas, aryloxyphenylisothioureas and aryloxyphenylcarbo-diimides, their preparation and use in the control of pests

CA 1305161 C · Owner: Drabek, Jozef · Inventors: Ehrenfreund, Josef; Drabek, Jozef; Boger, Manfred

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Abstract From the Canadian patent

5-16517/+, Aryloxyphenylthioureas, aryloxyphenylisothioureas and aryloxyphenylcarbodiimides, their preparation and use in the control of pests Abstract, Novel substituted aryloxyphenyl-thioureas -isothioureas and -carbodi-, imides of formula I (I), in which, R1 represents C1-C12alkyl C1-C12alkyl mono- or poly-substituted by halogen and/or by C1-C6alkoxy, C3-C8cycloalkyl C3-C8cycloalkyl mono-, or poly-substituted by C1-C3alkyl or C3-C8cycloalkyl-C1-C4alkyl;, R2 represents hydrogen or C1-C5alkyl; R3 represents C1-C5alkyl or C5-C6cycloalkyl; R4 represents hydrogen or methyl;, R5 represents a ?CH=CH?2 ?CH2?3 or ?CH2?4 bridge in the 2,3-, or 3,4-position; Z represents -NH-CS-NH-, -N=C(SR6)-NH- …

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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 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 16, 1988
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305161 C
Classification (IPC)C07C335/18 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJune 16, 1988Patent grantedJuly 14, 1992Term endedJuly 14, 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.