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Expired Canadian patentCanada

Biphenylyl-azolylethane compounds, their production and their medicinal use

CA 1160237 A · Owner: Bayer Aktiengesellschaft · Inventors: Regel, Erik; Boshagen, Horst; Plempel, Manfred

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Abstract From the Canadian patent

The invention relates to the biphenylylazolylethane compounds of formula I, or a physiologically acceptable salt thereof wherein A represents the -CH-, qroup or a nitrogen atom; X represents a halogen atom or an alkyl halogenoalkyl, alkoxy, alkylthio, nitro or cyano radical; Y represents a halogen atom or an alkyl, halogenoalkyl, alkoxy, alkylthio nitro, cyano or a phenyl radical which is unsubstituted or is substituted by a halogen atom or an alkyl halogenoalkyl, alkoxy, alkylthio, nitro or cyano radical; and m and n are independently 0 1, 2 or 3.

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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 January 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 1, 1981
GrantedJanuary 10, 1984
Term endedJanuary 10, 2001
Patent numberCA 1160237 A
Classification (IPC)C07D233/56 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedApril 1, 1981Patent grantedJan 10, 1984Term endedJan 10, 2001

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