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Expired Canadian patentCanada

Substituted 6h-7, 8-dihydrothiapyrano (3,2-d)- pyrimidines as hypoglycemic agents

CA 1280368 C · Owner: Slater, Eve E. · Inventors: Saperstein, Richard; Slater, Eve E.; Tolman, Richard L.

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Abstract From the Canadian patent

TITLE OF THE INVENTION, SUBSTITUTED 6H- 7,8-DIHYDROTHIAPYRANO3,2-d- PYRIMIDINES AS HYPOGLYCEMIC AGENTS, ABSTRACT OF THE DISCLOSURE There are disclosed certain 2-alkyl-4substituted 6H-7,8-dihydrothiapyrano3,2-dpyrimidines which have oral hypoglycemic activity and with such ability to lower blood sugar are useful in the treatment of type II diabetes and/or obesity with associated insulin resistance. Processes for the preparation of such compounds and compositions containing such compounds as the active ingredient thereof are also disclosed.

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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 February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 3, 1986
GrantedFebruary 19, 1991
Term endedFebruary 19, 2008
Patent numberCA 1280368 C
Classification (IPC)A61K31/50

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 3, 1986Patent grantedFeb 19, 1991Term endedFeb 19, 2008

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