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Expired Canadian patentCanada

Use of benzothiazoline compounds as plant growth regulants

CA 1094841 A · Owner: Monsanto Company · Inventors: D'Amico, John J.

CIPO record

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Abstract From the Canadian patent

Certain benzothiazoline compounds are found to have plant growth regulation activity on leguminous plants. These are compounds of the formula, wherein X is halo; m is 0 or 1; R1 is CN ?-OR3, ?-NR4R5 or, ?-OH and agriculturally acceptable salts thereof; R2 is H CN, lower alkyl or ?-OR3; R3 is lower alkyl; R4 and R5 are independently H, alkyl or when taken together with the nitrogen molecule form a heterocyclic havlng up to 8 carbon atoms inclusive; and n is 0 or 2; provided than when R2 is ?-OR3, R1 is other than ?-OR3 when n is 0 or 2. These compounds are applied to the locus to be treated in a non-lethal amount using compositions which employ the compounds of the above formula in amounts …

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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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 11, 1976
GrantedFebruary 3, 1981
Term endedFebruary 3, 1998
Patent numberCA 1094841 A
Classification (IPC)A01N43/78 +1 more

Timeline

Timeline From CIPO dates

19771980198319861989199219951998Application filedMay 11, 1976Patent grantedFeb 3, 1981Term endedFeb 3, 1998

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