Reduced calorie cooking oils and preparation thereof
CA 2279284 A1 · Owner: Clay, Reginald Sebastian · Inventors: Howie, John Keeney; Clay, Reginald Sebastian; Sarama, Robert Joseph
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 preparing reduced calorie cooking and frying oils, containing nondigestible polyol polyesters and , having improved color and improved stability against hydrolysis during frying. The process comprises, as a first step treating a crude polyol polyester with an ion exchange ligand in an aqueous phase to convert divalent metal soaps present in the crude polyol polyester to monovalent soaps. The monovalent soaps and the ion exchange ligands are then removed from the treated polyol polyester to provide a cooking and frying oil which contains less than about 550 ppb divalent metal ions. Said oil, when further processed according to …
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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 January 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2020.
- 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.