Diphenyl azetidinone derivatives, method for the production thereof, medicaments containing these compounds, and their use
CA 2431985 A1 · Owner: Sanofi-Aventis Deutschland Gmbh · Inventors: Kramer, Werner; Schaefer, Hans-Ludwig; Heuer, Hubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to novel diphenyl azetidinones to a method for the , production thereof to medicaments containing these compounds and to their , use. The invention concerns compounds of formula (I) wherein R1, R2, R3, R4, R5 and R6 have the cited meanings and concerns the physiologically compatible salts thereof. The compounds are suited for use e.g. as hypolipidemic drugs.
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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 December 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 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.