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Expired Canadian patentCanada

Process for producing 4-oximino-1,2,3,4- tetrahydroquinoline derivatives and said derivatives produced thereby

CA 1189078 A · Owner: Mochida Pharmaceutical Co. Ltd. · Inventors: Ohnishi, Haruo; Yamaguchi, Kazuo; Kashima, Koichi

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Abstract From the Canadian patent

Process for producing 4-oximino-1,2,3,4-tetrahydroquinoline derivatives of the formula (I): (I), wherein X represents a halogen atom and Y represents a hydrogen atom, a straight-chain or branched-chain alkyl group a halogen-, substituted lower alkyl group a phenylalkyl group, a phenyl-, alkenyl group an unsubstituted or halogen-substituted phenyl group, a nitrogen-containing aromatic group a straight-chain or, branched-chain alkoxy group or an alkyl-substituted or phenylsubstituted amino group, and said derivatives produced thereby. These compounds exhibit strong antiedemic diuretic and hypo-, tensive 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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 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.
FiledJuly 30, 1982
GrantedJune 18, 1985
Term endedJune 18, 2002
Patent numberCA 1189078 A
Classification (IPC)C07D215/42 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJuly 30, 1982Patent grantedJune 18, 1985Term endedJune 18, 2002

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