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Expired Canadian patentCanada

Selective inhibitors for benzylaminoxidases with respect to other aminoxidases

CA 1303045 C · Owner: Lucchesini, Francesco · Inventors: Bertocci, Barbara; Buffoni, Franca; De Munno, Angela

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Abstract From the Canadian patent

Selective inhibitors of benzylaminoxidases said inhibitors, consisting of compounds of the general formula I I, wherein X is a group C-R4 or a nitrogen atom R1 and R2, which can be, the same or different from each other represent hydrogen, hydroxyl, groups, alkoxyl groups or alkyl, alkenyl, hydroxyalkyl, alkoxyalkyl hydroxyalkoxyalkyl, hydroxyalkoxyl, alkoxyalkoxyl hydroxyalkoxyalkoxyl, phenoxyl or phenoxyalkyl groups or their substitution derivatives in the phenoxyl group, provided that no more than one of the same be hydrogen and one or more of the symbols R3, R4 or R5 are hydrogen atoms or alkyl or hydroxyl or alkoxyl or hydroxyalkyl or hydroxyalkoxyl or hydroxyalkoxyalkyl or haloalkyl …

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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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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 26, 1986
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1303045 C
Classification (IPC)C07C215/50 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMarch 26, 1986Patent grantedJune 9, 1992Term endedJune 9, 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.