A process for purifying apolipoproteins and a composition for use in the process
CA 2265929 A1 · Owner: Nystrom, Lena · Inventors: Ageland, Hans; Tjerneld, Folke; Persson, Josefine
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 a process for purifying a hydrophobic or amphiphilic compound, by first mixing a starting material containing the hydrophobic or amphiphilic compound with a first polymeric material water and , at least one of a second polymeric material and a surfactant wherein the , first polymeric material and the second polymeric material and/or surfactant are immiscible in the resulting primary aqueous solution. The process further comprises maintaining the primary aqueous solution for a period of time sufficient for essentially separating the phases formed and then removing the , phase containing the main portion of the hydrophobic or amphiphilic compound and the …
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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 September 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 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.