Process to remove cholesterol from dairy products
CA 2067199 A1 · Owner: Jimenez-Flores, Rafael · Inventors: Jimenez-Flores, Rafael; Richardson, Thomas
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 the removal of cholesterol from a processed or unprocessed dairy product (10) which process comprises: (a) obtaining a processed or unprocessed dairy product containing cholesterol; (b) contacting the dairy product at a temperature of between about 35 and 80 ·C with an amount of saponin effective to bind up to 90 % of the cholesterol present in the dairy product (12); (c) contacting a temperature of between about 35 and 80 ·C the cholesterol: saponin with an effective amount of diatomaceous earth (13); (d) separating the insoluble cholesterol: saponin/diatomaceous earth by filtration or centrifugation (16); and (e) recovering the dairy …
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 October 15, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.