Canadian application, no grantCanada
Process for preparing s-(r*,s*)-.beta.-1-1-oxo-3-(4-piperidinyl)propyl-3-piperidinylcarbonylamino-3-pyridinepropanoic acid and derivatives
CA 2368024 A1 · Owner: Ortho-Mcneil Pharmaceutical, Inc. · Inventors: Weh, Christian; Rossler, Armin; Villani, Frank John Jr.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for preparing a compound of formula (I) wherein R1 and R2 are independently selected from the group consisting of hydrogen lower alkyl and , halogen.
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 March 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 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.
FiledMarch 21, 2000
GrantedNo grant recorded
Term endedMarch 21, 2020
Patent numberCA 2368024 A1
Classification (IPC)C07D401/12 +1 more
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.