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Expired Canadian patentCanada

Methylthioribose analogs, their preparation and use as medicinal agentsand biocides

CA 1284498 C · Owner: State Of Oregon, Acting By And Through The Oregon State Board Of Higher Education, Acting For And On Behalf Of The Oregon Health Sciences University And Oregon State University · Inventors: Ferro, Adolph J.; Fitchen, John H.; Riscoe, Michael K.

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

METHYLTHIORIBOSE ANALOGS, THEIR PREPARATION AND USE AS MEDICINAL AGENTS AND BIOCIDES" ABSTRACT OF THE DISCLOSURE, Compounds of the formula: wherein R is H, Cl, F, Br, I or R1S-, in which R1 is C1- C10 linear or branched chain alkyl or halogenated linear or branched chain alkyl, and, wherein R2, R3 and R4 are the same or different and each is H- or -OH, with the proviso that at least one of R2 R3 and R4 is, hydroxy and the further proviso that when R2 R3 and R4 are all, OH, R1 is halogenated linear or branched chain alkyl are useful, in inhibiting the growth of MTR kinase-dependent microorganisms and parasitic protozoans. The compounds wherein R is R1S are novel, except those excluded by the …

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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 May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 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.
FiledJanuary 20, 1987
GrantedMay 28, 1991
Term endedMay 28, 2008
Patent numberCA 1284498 C
Classification (IPC)C07H5/02 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 20, 1987Patent grantedMay 28, 1991Term endedMay 28, 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.