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Expired Canadian patentCanada

5,6-epoxy-7-oxabicycloheptane substituted amino prostaglandin analogs useful in the treatment of thrombotic disease

CA 1249293 A · Owner: Squibb (E.R.) & Sons, Inc. · Inventors: Das, Jagabandhu

CIPO record

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Abstract From the Canadian patent

5,6-EPOXY-7-OXABICYCLOHEPTANE, SUBSTITUTED AMINO PROSTAGLANDIN ANALOGS USEFUL IN THE TREATMENT OF THROMBOTIC DISEASE ABSTRACT, 5-6-Epoxy-7-oxabicycloheptane substituted amino prostaglandin analogs are provided having the structural formula, wherein A is CH=CH or (CH2)2 m is 1 to 8, n is 0, to 5, R is H, lower alkyl alkali metal or, hydroxylamine salt, and R1 is lower alkyl aryl, aralkyl, cycloalkyl, cycloalkylalkyl lower, alkenyl, lower alkoxy, aralkoxy or including all stereoisomers thereof. The compounds are cardiovascular agents useful, for example, in the treatment of thrombotic disease.

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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 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 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 30, 1986
GrantedJanuary 24, 1989
Term endedJanuary 24, 2006
Patent numberCA 1249293 A
Classification (IPC)C07D493/18 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMay 30, 1986Patent grantedJan 24, 1989Term endedJan 24, 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.