Compound
CA 2519956 C · Owner: Purohit, Atul · Inventors: Vicker, Nigel; Reed, Michael; Fischer, Delphine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a compound of Formula (I) wherein (I) R1 is a selected from (i) an alkyloxyalkyl group (ii) a nitrile group and wherein R2 is capable of , forming a hydrogen bond (iii) alkylaryl group wherein the aryl group is , substituted by other than a C1-10 group (iv) alkenylaryl group wherein the aryl group is substituted (v) alkyiheteroaryl group wherein when heteroaryl , group comprises only C and N in the ring the aryl group is substituted by , other than a methyl group (vi) alkenylheteroaryl group (vii) =N-O-alkyl or =N-, O-H group (viii) branched alkenyl (ix) alkyl-alcohol group (x) amide or alkylamide wherein (a) the alkyl of the alkylamide is - CH2- or -CH2CH2- (b) , 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
- Filed March 22, 2004 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2026.
- 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.