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Expired Canadian patentCanada

¬1R-¬1.alpha.(Z), 2.beta. 3.beta. 5.alpha. -( )-7-¬5- ¬¬1,1'-BIPHENYL)-4-YL METHOXY -3-HYDROXY- 2(1-PIPERIDINYL)CYCLOPENTYL -4-HEPTENOIC ACID HYDROCHLORIDE

CA 1191142 A · Owner: Glaxo Group Limited · Inventors: Wallis, Christopher J.; Collington, Eric W.; Hallett, Peter

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Piperidinylcyclopentanolheptenoic acid salt lR-(1.alpha.(Z),2.beta.3.beta.5.alpha.-(+)-7-(5-(1,1'-Biphenyl)- 4-ylmethoxyl-3-hydroxy-2-(1-piperidinyl)cyclopentyl- 4-heptenoic acid, hydrochloride and pharmaceutical formulations thereof are described. The compound may be used as an anti-thrombotic or anti-asthmatic agent.

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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 July 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1983
GrantedJuly 30, 1985
Term endedJuly 30, 2002
Patent numberCA 1191142 A
Classification (IPC)C07D211/34 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedSep 15, 1983Patent grantedJuly 30, 1985Term endedJuly 30, 2002

Sources & verification

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