Liquid purification or separation – With means to add treating material – Chromatography
Reexamination Certificate
2010-04-27
2010-11-23
Carr, Deborah D (Department: 1621)
Liquid purification or separation
With means to add treating material
Chromatography
Reexamination Certificate
active
07837873
ABSTRACT:
Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of;(1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the column;(2) allowing the oil to transfer in the column by the action of gravity toward the lower part of the column and allowing the oil to discharge from the column through a filter cloth placed adjacent to the bottom part of the activated carbon layer, wherein the filter cloth has a pore size of 13 to 45 μm, and(3) introducing the oil discharged from the column into an activated carbon separation device comprising a filter having a pore size of 3-7 μm, and discharging from said separation device an oil having no activated carbon microparticles by the action of a sucking force.
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Chinese Office Action for Application No. 200680049941.8, dated May 25, 2010.
Carr Deborah D
for-C Co. Ltd.
Marshall & Gerstein & Borun LLP
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