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Canadian application, no grantCanada

Substituted indole-, indene-, pyranoindole and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase

CA 2070422 A1 · Owner: Musser, John H. · Inventors: Musser, John H.; Nelson, James A.; Kreft, Anthony F. Iii

CIPO record

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Abstract From the Canadian patent

There are disclosed compounds of the formula: A(CH2)nO-B wherein A is C4-C8 alkyl, phenoxyethyl phenoxyphenyl or a group, having formula (a) or (b) wherein X is -N- or (c); Z is (d), (e) (f), (g), -S- or -O-; R1 is hydrogen, lower alkyl phenyl or, phenyl substituted with trifluoromethyl; R2 is hydrogen or lower alkyl; or R1 and R2 taken together form a benzen ring; R3 is hydrogen or lower alkyl; n is 1-2; B is (h) (i), (j) or, (k); wherein R4 is -CO2R2 (l), (m), (n), (o) or (p); m is, 0-3; R5 is (q); or phenyl or phenyl substituted by halo lower, alkylthio, lower alkylsulfinyl or lower alkylsulfonyl; R6 is A(CH2)nO- or halo; with the proviso that when R6 is halo R5, is (r); R7 is lower …

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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

  • Filed October 27, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 27, 1990
GrantedNo grant recorded
Term endedOctober 27, 2010
Patent numberCA 2070422 A1
Classification (IPC)C07D401/12 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedOct 27, 1990Term endedOct 27, 2010

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