Process for the removal of cholesterol and/or cholesterol esters from foodstuffs
CA 2023800 A1 · Owner: Skw Trostberg Aktiengesellschaft · Inventors: Schutz, Erwin; Vollbrecht, Heniz-Rudiger; Cully, Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for the removal of cholesterol and/or cholesterol esters from foodstuffs, The present invention provides a process for the removal of cholesterol and/or cholesterol esters from foodstuffs by extraction with compressed carbon dioxide wherein, a) the cholesterol-containing extraction material is treated with compressed carbon dioxide at a pressure above 100 bar and at a temperature of from 10 to 90°C. b) from the carbon dioxide stream loaded with cholesterol and/or cholesterol esters, as well as with further lipophilic components, the cholesterol components are selectively removed by adsorption on a solid adsorption agent or by adduct formation and, c) at least a part of the carbon …
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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 August 22, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 22, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 22, 2012.
- 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.