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Expired Canadian patentCanada

Azolyl derivatives of carboxyclic and heterocyclic ketones having fungicide activity

CA 1253868 A · Owner: Montedison S.P.A. · Inventors: Mirenna, Luigi; Gozzo, Franco; Camaggi, Giovanni

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Abstract From the Canadian patent

Compounds having general formula (I): (I), wherein X is H, a phenyl, phenylalkyl phenylcarbonyl, phenyloxy, group, optionally substituted with a halogen; Y is N or CH; R1 is H or a phenyl group; R2 and R3, the same or different are H, an, alkyl, alkoxy group or together they are an atom of ketonic oxygen; R4 and R5, the same or different are H or an alkyl, group R6 and R7, equal or different are H, an alkyl group or, one of them forms with R2 or R3 an alkylidene or ether bridge; or they form a dioxyalkylidene or alkylidene ring; m = 0 1; n = 0, 1, 2 ,3. The compounds have fungicide and systemic properties.

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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 May 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 2006.
  • 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 9, 1985
GrantedMay 9, 1989
Term endedMay 9, 2006
Patent numberCA 1253868 A
Classification (IPC)C07D249/08 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedMay 9, 1985Patent grantedMay 9, 1989Term endedMay 9, 2006

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