Process for the preparation of glycine-conjugated bile acids and relative pharmaceutical compositions useful for treating hepatic insufficiency
CA 2092218 A1 · Owner: Bonaldi, Antonio · Inventors: Bonaldi, Antonio; Molinari, Egidio; Roda, Aldo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the preparation of glycine-conjugated bile acids as per general formula (I):, Y-NH-CH2-COOH (I) wherein Y is the acyl radical of a bile acid selected from the group consisting of ursodeoxycholic, chenodeoxycholic lithocholic, 3.alpha.-7.beta.-, 12.alpha.-tri-hydroxycholanic 3.alpha.-7.beta.-dihydroxy-12-ketocholanic deoxycholic, dehydrocholic, iodeoxycholic iocholic acids and, relative compositions for hepatic insufficiency treatment containing the abovesaid acids as active ingredients in, continuation with suitable excipients and/or diluents.
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 23, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 2015.
- 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.