Modified amino acid amides, pharmaceutical compositions containing these compounds and processes for preparing them
CA 2361939 A1 · Owner: Boehringer Ingelheim Pharma Kg · Inventors: Doods, Henri; Hallermayer, Gerhard; Eberlein, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to modified amino-acid amides of general formula (I), wherein A, R, R1, R2, X1, X2, X3 and Y are defined as in Claim 1. The invention also relates to the tautomeric derivatives diastereomers, enantiomers, mixtures and salts thereof especially the physiologically , compatible salts thereof with inorganic or organic acids or bases whereby , said acids and bases are provided with CGRP-antagonistic activity. The invention further relates to medicaments containing said compounds to the use , thereof and to a method for producing the same. The invention also relates to the use of said medicaments for producing and purifying antibodies and to the use thereof as …
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 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 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.
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.