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N-Butane/acetone separation using sulfolane

Distillation: processes – separatory – Adding material to distilland except water or steam per se – At least two materials
Patent

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N-butane/isobutane fractionation

Distillation: processes – separatory – And recovering heat by indirect heat exchange – Utilizing recovered heat for heating the distillation zone
Patent

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Natural cresylic acid processing

Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Patent

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Nested enrichment cascade distillation of unequal mixtures

Distillation: processes – separatory – And recovering heat by indirect heat exchange – Utilizing recovered heat for heating the distillation zone
Patent

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Neutral oil recovery process for the production of naphthenic ac

Distillation: processes – separatory – With chemical reaction – Including step of adding catalyst or reacting material
Patent

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Neutral oil removal from natural cresylic acid mixtures

Distillation: processes – separatory – Adding material to distilland except water or steam per se – At least two materials
Patent

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Nitrosophenols and C-nitrosoanilines as polymerization...

Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent... – For inhibiting or preventing a polymerization reaction
Reexamination Certificate

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Nitrosyl chloride as a polymerization inhibitor for vinyl aromat

Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent... – For inhibiting or preventing a polymerization reaction
Patent

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NO polymerization inhibitor for vinyl aromatic compound distilla

Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent... – For inhibiting or preventing a polymerization reaction
Patent

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NO.sub.2 polymerization inhibitor for vinyl aromatic compound di

Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent... – For inhibiting or preventing a polymerization reaction
Patent

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