Processes for refining compositions containing dialkyl...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters

Reexamination Certificate

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C558S274000

Reexamination Certificate

active

07094917

ABSTRACT:
Processes for refining dialkyl carbonate-containing compositions are described, wherein a composition comprising a dialkyl carbonate is provided; and the composition is subjected to a rectification wherein low-boiling impurities are removed, and a rectification wherein high-boiling impurities are removed; and subsequently to a deodorization wherein medium-boiling impurities are removed.

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