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Expired Canadian patentCanada

Substituted 2-¬monoannelated(3,4-,4,5-, and 5,6-)- pyridylalkylenesulfinyl -benzimidazoles

CA 1259070 A · Owner: Upjohn Company (The) · Inventors: Sih, John C.

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

Substituted 2-Monoannelated(3,4- 4,5and 5,6-)Pyridylalkylenesulfinyl-Benzimidazoles With Gastric Acid Inhibiting Properties The present invention provides novel substituted 2monoannelated(3,4- 4,5-, and 5,6-)pyridylalkylenesulfinylbenzimidazoles with gastric acid inhibiting effects.

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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 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 5, 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.
FiledJune 14, 1984
GrantedSeptember 5, 1989
Term endedSeptember 5, 2006
Patent numberCA 1259070 A
Classification (IPC)C07D401/12 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedJune 14, 1984Patent grantedSep 5, 1989Term endedSep 5, 2006

Sources & verification

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