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Expired Canadian patentCanada

Substituted ureido-compounds

CA 1063112 A · Owner: Scherico Ltd. · Inventors: Neustadt, Bernard R.

CIPO record

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Abstract From the Canadian patent

Described herein are novel hydroxylpolyhaloisopropylsubstituted ureido compounds exhibiting useful antihypertensive activity, processes for their preparation and pharmaceutical compositions containing these compounds. The ureido-compounds are selected from phenyl ureas, oxazolines and quinazolines represented by the formula:, and the pharmaceutically acceptable salts of the oxazolines and quinazolines, where Z represents , or, together with X2, the grouping, in which R1 is ethylene or substituted ethylene and R and R2 represent other specified substituents and wherein one of X2 and X4 is the hydroxypolyhaloisopropyl grouping , in which Y independently represents hydrogen chlorine or …

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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 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 25, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 25, 1979
Term endedSeptember 25, 1996
Patent numberCA 1063112 A
Classification (IPC)C07D263/28 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 25, 1979Term endedSep 25, 1996

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