Uridine derivatives as antibiotics
CA 2408453 A1 · Owner: Drochon, Nathalie · Inventors: Aszodi, Jozsef; Drochon, Nathalie; Dini, Christophe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns compounds of formula (I) wherein: R¿2? is hydrogen halogen, alkyl, alkenyl or alkynyl, a OH O-alkyl, OCO-alkyl radical, an O-aryl or OCO-aryl radical; R¿4? is CH¿2?NH¿2?; CH¿2?NHalkyl CH¿2?N (alkyl1) (alkyl2), CH¿2?-guanidine CH¿2?-amidine optionally substituted; R¿5? represents in particular (a) or (b) or (c) or (d) a CH¿2?N¿3? radical (e); R¿8? is hydrogen or alkyl; R¿9? is alkyl aryl or heteroaryl, R¿8? and R¿9? capable of forming a heterocycle or R¿5? represents a CH¿2?alkyl, CH¿2?Oalkyl or CO¿2?alkyl CH¿2?Salkyl radical; R¿6? is hydrogen or halogen OH, Oalkyl, OCOalkyl, S-alkyl or S-aryl; R¿7? is hydrogen or OH. The compounds of formula (I) exhibit antibiotic …
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 May 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 4, 2023.
- 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.