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Expired Canadian patentCanada

Phenoxyphenylthioureas, phenoxyphenylisothioureas and phenoxyphenylcarbodiimides and use thereof for controlling pests

CA 1305170 C · Owner: Ciba-Geigy Ag · Inventors: Ehrenfreud, Josef

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Abstract From the Canadian patent

5-16369/1+2, Phenoxyphenylthioureas, phenoxyphenylisothioureas and phenoxyphenylcarbodiimides and use thereof for controlling pests Abstract, The invention relates to novel phenoxyphenylthioureas phenoxy-, phenylisothioureas and phenoxyphenylcarbodiimides of formula I (I), wherein, R1 is C3-C7cycloalkyl of C5-C6cycloalkenyl R2 is C1-C6alkyl, C5-C6cycloalkyl or C5-C6cycloalkenyl R3 is C1-C8alkyl, C3-C6cycloalkyl, 1-cyclopropylethyl or C3-C5alkenyl, R4 is hydrogen, halogen, C1-C4alkyl C1-C3alkoxy or CF3, n is an integer from 1 to 3 Z is -NH-CS-NH-, -N=C(SR5)-NH- or -N=C=Nand, R5 is C1-C5alkyl or allyl, and to salts thereof to the preparation of these compounds and to intermediates for their …

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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.
FiledMarch 8, 1988
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305170 C
Classification (IPC)C07C335/18 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 8, 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.