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Primary Examiner: Hart, Charles N.
Assistant Examiner: Spitzer, Robert H.
Attorney: Jones, Tullar & Cooper

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Title: Stabilization of deodorized edible oils



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Claims: What is claimed is:

1. In a process of steam deodorizing edible animal and vegetable fats and oils the improvement which comprises conducting the steam deodorization in contact with a peroxide value stabilizing amount of molybdenum metal, molybdenum oxides or mixtures thereof, which has been added to the apparatus in which the steam deodorization is conducted.

2. A process, as in claim 1, where molybdenum metal is employed.

3. A process, as in claim 2, where the edible fat or oil is heated to a temperature of at least about 400.degree. F.

4. A process, as in claim 3, where molybdenum metal is employed.

5. A method, as in claim 2, where the oil is an unsaturated vegetable oil.

6. A method, as in claim 5, where molybdenum metal is employed.

7. A method, as in claim 5, where the edible oil is heated to a temperature of a least about 400.degree. F.

8. A method, as in claim 7, where the oil is selected from the group consisting of soybean oil, cottonseed oil, palm oil, and sunflower seed oil and rapeseed oil.

9. A method, as in claim 1, where the amount of molybdenum or molybdenum oxide has a surface area between about 33 square inches and 66 square inches per liter of oil being contacted.
Other info:


Inventors: Lineberry, Dewey D. (Louisville, KY, US)

Application Number: 769809
Filing Date: 1977-02-17
Publication_date: 1978-06-20
Assignee: Chemetron Corporation (Chicago, IL)
Primary Class(es): 95/264 203/6, 554/194, 554/205
Other Classes:
US Patent Ref:
2773081Dec, 1956Brown et al.260/428.
3221059Nov, 1965Fukui et al.260/428.
3414129Dec, 1968Going et al.260/428.
3693322Sep, 1972Lineberry et al.55/54.
3733202May, 1973Marmor260/428.
3821265Jun, 1974Forster et al.203/6.

Other Refs: Other References: Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 8, pp. 805-807 and vol. 13, pp. 654, 655, 2nd Ed.