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US6497813B2
(en)
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Solvent extraction refining of petroleum products
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US3470089A
(en)
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Separation of solvent from raffinate phase in the solvent refining of lubricating oil stocks with n-methyl-2-pyrrolidone
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AU664170B2
(en)
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Process for petroleum-wax separation at or above room temperature
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SU288714A1
(enrdf_load_stackoverflow)
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|
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US3006839A
(en)
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Dewaxing hydrocarbon oil
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US2723941A
(en)
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Wax fractionation process
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US2123833A
(en)
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Dewaxing wax-bearing mineral oil
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US3458431A
(en)
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Mineral oil solvent dewaxing
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US3472757A
(en)
|
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Solvent refining lubricating oils with n-methyl-2-pyrrolidone
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US2126493A
(en)
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Process for dewaxing mineral oils
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US2697926A
(en)
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Paraffin wax candle
|
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US2342798A
(en)
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Separation of mineral oils, tars, and fractions thereof
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US2155644A
(en)
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|
Solvent refining hydrocarbon oil
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US2023369A
(en)
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Mineral oil and method of its manufacture
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US2370297A
(en)
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Method of producing high quality lubricating oils
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US2200534A
(en)
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Low pour point lubricating oil
|
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US2411492A
(en)
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Method for treating waxy stocks
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US2681303A
(en)
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separation of hydrocarbons and hydrocarbon |
|
US2062355A
(en)
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Process of treating lubricating and other oils
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US2173460A
(en)
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Process for fractionating hydrocarbon oils
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US3044949A
(en)
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Process for lowering the pour point of |
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US2198575A
(en)
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Manufacture of lubricating oil
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US2123205A
(en)
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Hydrocarbon oil treatment
|
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US2210867A
(en)
|
|
Manufacture of lubricating oil
|
|
US1857404A
(en)
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|
Removal of wax from oil
|