Aryl phosphate derivatives of d4t
CA 2428808 A1 · Owner: Parker Hughes Institute · Inventors: Uckun, Fatih M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Specific aryl phosphate nucleoside derivatives show activity against HIV without undesirable levels of cytotoxic activity. In particular these , derivatives are potent inhibitors of HIV reverse transcriptase. Examples of aryl phosphate nucleotide nucleoside derivatives include aryl phosphate derivatives of d4T having one or more substituents on the aryl group and , wherein the phosphorus of the aryl phosphate group is attached to an amino acid residue that may be esterified or substituted such as a methoxyalaninyl , group.
Read the whole patent
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 November 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 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.