Close-coupled process for improving the stability of soybean oil
CA 1298854 C · Owner: Serbia, George William · Inventors: Serbia, George William; Rothbart, Michael Alan; Carey, Elton Hyink
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket No. PO2 2321, ABSTRACT OF THE DISCLOSURE A close-coupled method of treating unrefined unbleached soybean oil to produce a stable edible frying oil. The close-coupled process involves performing a series of steps to refine and bleach unrefined, unbleached soybean oil in a continuous sequence without intermediate storage and without substantial exposure to oxygen in the air which can lead to oxidation of heated oil, as follows: treating unrefined unbleached soybean oil with a caustic agents heating and water washing the treated soybean oil; degassing the soybean oil to remove a substantial portion of any oxygen and water entrained in the oil; dispersing into the oil a minor amount of …
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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
- Granted April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 2009.
- 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.