Substituted anthranilic acids
CA 2436870 A1 · Owner: Rutten, Hartmut · Inventors: Jansen, Hans-Willi; Weichert, Andreas; Lang, Hans-Jochen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to anthranilic acids of formula (I) wherein the substituents R1-R3 have the designations cited in the claims. Said acids have no unwanted and detrimental salidiuretic properties but rather very good , cardioprotective properties for example in terms of oxygen deficiency phenomena. Due to their pharmacological properties said acids are highly , suitable as cardioprotective pharmaceuticals for the prophylaxis and treatment of infarction, as well as the treatment of angina pectoris also preventively , inhibiting or strongly reducing the pathophysiological processes in the case of disorders caused by ischaemia. The protective action of the inventive compounds of …
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 24, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 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.