Method for purifying a red fruit extract containing anthocyanosides
CA 2359475 A1 · Owner: Ferlux (Societe Anonyme) · Inventors: Soulier, Chrystele; Dufour, Dominique
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for purifying a red fruit extract containing anthocyanides wherein said extract is taken up with an aqueous solution the aqueous solution is subsequently cooled to a homogeneous temperature below 15 ·C the permeate thus obtained after the aqueous extract has been filtered is charged onto a macro-cross-linked polymer resin the resin is rinsed with demineralized water the resin thus obtained is eluated with an alcool eluate solution the eluate thus obtained is concentrated and dried.
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 February 7, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 7, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 7, 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.