4. Liquid purification or separation
  5. With means to add treating material
  6. Chromatography

David J. Piasecki

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Adsorptive separation process for recovery of para-xylene

Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By contact with solid sorbent
Reexamination Certificate

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Alkylation process using UZM-8 zeolite

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...
Reexamination Certificate

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Apparatus for cocurrent fractional distillation

Distillation: processes – separatory – With measuring – testing or inspecting
Reexamination Certificate

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Apparatus for crystallizing polymer particles

Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten...
Reexamination Certificate

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Aromatic isomerization catalyst and isomerization process

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs
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Profile ID: LFUS-PAI-P-2415568

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