Polymer bile acid resorption inhibitors with simultaneous bile acid adsorbing effect
CA 2263671 A1 · Owner: Von Seggern, Heinke · Inventors: Wess, Gunther; Kramer, Werner; Von Seggern, Heinke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polymer bile acid resorption inhibitors with simultaneous bile acid adsorbing effect are disclosed, as well as a process for preparing the same medicaments , which contain these compounds and their use. Vinyl copolymers are disclosed which contain units of formula (I), in which R1 to R5 d, e, f, H, L, A, Y, Z , and B have the meanings indicated in the description. Also disclosed is a process for preparing the same. These compounds are suitable for treating lipid metabolism disturbances.
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 July 25, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 25, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 25, 2019.
- 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.