New use of substituted quinoline carboxamide
CA 2120712 A1 · Owner: Karussis, Dimitrios · Inventors: Karussis, Dimitrios; Abramsky, Oded; Slavin, Shimon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The use of an anti-MS quinoline-3-carboxamide compound comprising the structure of formula (I), optionally with substituents for the H1-9 hydrogen, or a salt of said compound where (a) ------------- represents that there are two conjugated double bonds between atoms comprised by the dashed line (only formula I) (b) the, hydrogens H7 and H8 are attached to different atoms selected from X1, X2 and the nitrogen atom in the quinoline ring (c), X1 and X2 are independently selected from an oxygen atom or an NH9 group, said X1 and X2 being bound by a single bond to the ring when carrying H7 or H8 and by a double bond when not carrying H7 or H8, for the manufacture of a composition intended for …
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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 October 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 8, 2014.
- 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.