Blown and stripped blend of soybean oil and corn stillage oil
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United States of America Patent
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May 24, 2022
Grant Date -
Feb 25, 2021
app pub date -
Nov 5, 2020
filing date -
May 21, 2010
priority date (Note) -
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Abstract
A method for producing a high viscosity, low volatiles blown stripped oil blend is provided. The method may include the steps of: (i) obtaining an oil blend of corn stillage oil and soybean oil having a weight ratio of corn stillage oil to soybean oil of from about 1:2 to 3:1; (ii) heating the oil blend to at least 90° C.; (iii) passing air through the heated oil blend to produce a blown oil having a viscosity of at least 50 cSt at 40° C.; and (iv) stripping the blown oil from step (iii) to reduce an acid value of the blown oil to less than 5.0 mg KOH/gram.
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