Imidazole derivatives and a process for their production
CA 1322756 C · Owner: Tenud, Leander · Inventors: Tenud, Leander; Meul, Thomas; Mcgarrity, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Imidazole derivatives and a process for their production. The derivatives have the formula: IX, wherein R1 is an (R)- or (S)-1-phenylalkyl group an (R)-, or (S)-1-alkoxycarbonyl-1-phenylmethyl group or an (R)- or (S)-1-aryloxycarbonyl-1-phenylmethyl group R2 is hydrogen, a, substituted or unsubstituted alkanoyl group and unsubstituted, or a substituted benzoyl group a substituted or an unsubsti-, tuted benzyl group an alkoxycarbonyl group, and aryloxy-, carbonyl group an alkoxyalkyl group, a pyranyl group, a substituted or unsubstituted benzenesulfonyl group an, alkylsulfonyl group, a diarylphosphinyl group a dialkoxy-, phosphinyl group or a trialkylsilyl group and A is a sulfur, or oxygen …
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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.