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GB676002A
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A process for dewaxing petroleum oils, shale oils, tar oils and the like
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US2668141A
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Process of dewaxing petroleum oils and the like
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GB659393A
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A method of separating bleaching earth from mineral and fatty oils in oil purifying processes
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GB655948A
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Method of separating impurities from oils, emulsifyable with water
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GB647138A
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Method of refining mineral and shale oils, tar oils and the like
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GB645826A
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A process for refining hydrocarbon oil
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US2547629A
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Process of refining mineral oils
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US2459419A
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Method of refining hydrocarbon oil
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US2547612A
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Method and centrifuge for dewaxing oil solution
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GB591621A
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Method of producing oils of low pour point and mineral waxes of different melting points
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GB595014A
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A method of refining mineral oils and similar products
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GB596982A
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Improvements in or relating to the removal of wax from mineral oils, tars, distillation or transformation products thereof, or similar products
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US2461115A
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Method of dewaxing oils
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GB564132A
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Improvements in or relating to the separation of suspended or emulsified particles from liquids
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US2435623A
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Centrifuges for separating from a liquid matters suspended or emulgated therein
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GB566413A
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Improvements in or relating to the production of high quality lubricating oils
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US2370297A
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Method of producing high quality lubricating oils
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DE753492C
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Process for the production of sweatable paraffin
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US2289431A
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Process of centrifugally dewaxing oils
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GB534462A
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A process for the dewaxing of mineral oils
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