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Expired Canadian patentCanada

¬7-(3-disubstituted amino)phenyl -pyrazolo¬1,5- a pyrimidines

CA 1270825 C · Owner: Albright, Jay Donald · Inventors: Albright, Jay Donald; Dusza, John Paul; Tomcufcik, Andrew Stephen

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Abstract From the Canadian patent

7-(3-DISUBSTITUTED AMINO)-, PHENYLPYRAZOLO1,5-a- PYRIMIDINES, ABSTRACT OF THE DISCLOSURE Novel 7-(3-disubstituted amino)phenylpyrazolo- 1,5-apyrimidines useful as anxiolytic, antiepileptic and sedative-hypnotic agents as well as skeletal muscle relaxants, methods of using these compounds compositions, of matter containing them and processes for their production.

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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 26, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 2007.
  • 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 9, 1986
GrantedJune 26, 1990
Term endedJune 26, 2007
Patent numberCA 1270825 C
Classification (IPC)C07D487/04 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMay 9, 1986Patent grantedJune 26, 1990Term endedJune 26, 2007

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