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US 9,061,987 B2Granted
Oil composition and method for producing the same
AssigneePOET Research, Inc.
InventorJason Bootsma
Life of this patent
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Abstract
This invention relates to a corn oil composition comprising unrefined corn oil having a free fatty acid content of less than about 5 weight percent, and methods for producing the same.
Claims22
A method for providing a corn oil composition having a free fatty acid content of less than about 2 weight percent and being formulated for use as biodiesel from a first aqueous layer constituting a corn fermentation residue, said method comprising the steps of:
- a) obtaining the first aqueous layer from the corn fermentation residue;
- b) adjusting the pH of the first aqueous layer to provide a corn oil layer and a second aqueous layer;
- and
- c) separating the corn oil layer from the second aqueous layer to provide the corn oil composition having a free fatty acid content of less than about 2%;
- wherein the corn oil composition is formulated for use as biodiesel.
2 more elements
Dependencies are inferred from the claim text.