Substituted 1-(pieridin-4-yl)-3-(aryl) isothioureas their preparation and therapeutic application
CA 2359103 A1 · Owner: Patoiseau, Jean-Francois · Inventors: Verscheure, Yvan; Legrand, Bruno; Patoiseau, Jean-Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns novel substituted N-benzo(thia/oxa)zines-2-yl-1-arylalkyloxyalkyl-4-piperidinamine their preparation and their therapeutic use. The invention concerns compounds of formula (I) wherein: X represents an oxygen or sulphur atom; Y represents either an alkylene radical branched or not and containing 2 to 6 carbon atoms or a CH¿2?-CH(OH)-CH¿2?- radical; R represents a hydrogen an alkyl radical, branched or not and containing 1 to 7 carbon atoms; R¿1? to R¿6? identical or different, represent a hydrogen a saturated or unsaturated alkyl, branched or not and containing 1 to 5 carbon atoms a saturated or unsaturated alkyloxy, branched or not and containing 1 to 5 carbon atoms a …
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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
- Filed January 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 2022.
- 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
Timeline From CIPO dates
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.