Process for the separation of dienic and/or aromatic hydrocarbons present in hydrocarbon fractions
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United States of America Patent
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Feb 23, 1982
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N/A
app pub date -
Sep 12, 1980
filing date -
Sep 14, 1979
priority date (Note) -
Expired
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Abstract
Dienic and/or aromatic hydrocarbons are separated from hydrocarbon fractions employing known liquid-liquid extraction and/or extractive distillation procedures and at least one sulfonamide solvent conforming to the general formula ##STR1## wherein R', R' and 4'' can be linear or branched, saturated or unsaturated, aliphatic groups possessing from 1 to 18 carbon atoms, wherein two or three of groups R', R' and R'' can be identical, wherein one of the groups R' and R'' can be replaced with a hydrogen atom, and wherein at least one of groups R', R' and R'' is unsaturated.
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