Alkoxy-substituted compounds, methods, and compositions for inhi biting parp activity
CA 2294110 A1 · Owner: Zhang, Jie · Inventors: Jackson, Paul F.; Maclin, Keith M.; Zhang, Jie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound, compositions, methods of use and processes of making formula (I) , or a pharmaceutically acceptable salt hydrate, ester, solvate, prodrug, metabolite stereoisomer, or mixtures thereof, wherein: R1 when present, is , hydrogen or lower alkyl; R2 is a lower alkyl aryl, aralkyl, lower alkanoyl, or -(CH2)n-(CHOH)y(CH2)mA wherein n is 1-4, y is 0 or 1, m is 0-5 and A is , cycloalkyl, cycloalkenyl, lower alkanoyl aryl, aralkyl, -NH2, -NH-(lower , alkyl) (a), (b), (c), or (d); Y represents the atoms necessary to form a fused 5- to 6-membered ring that is aromatic or nonaromatic and carbocyclic or heterocyclic; Z is (i) -CHR2CHR3- where R2 and R3 are independently hydrogen alkyl, aryl …
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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 September 2, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 2, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 2, 2020.
- 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.