PRODUCTION OF EXTRA-HEAVY LUBE OILS FROM FISCHER-TROPSCH WAX
Extra heavy lube base stocks are separated from heavy lube oils with a polar solvent in an amount sufficient to form a first light phase and a second heavy phase. The phases are then separated and the solvent is removed from the second heavy phase to yield an extra heavy lube. L'invention conce...
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Main Authors | , , |
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Format | Patent |
Language | English French |
Published |
16.02.2006
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Edition | 7 |
Online Access | Get full text |
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