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Expired Canadian patentCanada

Bicycloalkyl, tricycloalkyl, azabicycloalkyl and azatricycloalkyl amides

CA 1332057 C · Owner: Partis, Richard Allen · Inventors: Deason, James Ronald; Partis, Richard Allen; Mueller, Richard August

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Abstract From the Canadian patent

The compounds of this invention are bicyclic tricyclic, azabicyclic and azatricyclic amides represented by the formula:, wherein: R1 and R2 are the same or different members of the group consisting of halo, phenyl substituted, phenyl and a, group wherein n m and p are independently an integer of from 1 to 8 provided that n + m + p is equal to or less than 10; X is thio, sulfinyl or sulfonyl; Alk is straight or branched chain lower alkylene; R3 is selected from the group consisting of a bicycloalkylamino tricycloalkylamino, azabicycloalkyl, azatricycloalkyl azabicycloalkylamino, azatricycloalkylamino or dicycloalkylamino. The compounds are useful as anti-inflammatory and anti-allergy agents.

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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 September 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 20, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 1986
GrantedSeptember 20, 1994
Term endedSeptember 20, 2011
Patent numberCA 1332057 C
Classification (IPC)C07C323/41 +2 more

Timeline

Timeline From CIPO dates

198719901993199619992002200520082011Application filedJan 31, 1986Patent grantedSep 20, 1994Term endedSep 20, 2011

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