Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters
Patent
1993-01-29
1994-08-16
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbonate esters
C07C 6996
Patent
active
053388780
ABSTRACT:
A process is provided for separating alkyl carbonate from a feedstock comprising at least one alkyl carbonate and at least one alkanol comprising extracting the alkyl carbonate from the feedstock in a liquid-liquid extraction step comprising a first extraction solvent comprising hydrocarbon selective for extracting alkyl carbonates relative to alkanol in an amount sufficient to extract a substantial portion of the alkyl carbonate from the feedstock and a second solvent comprising water in an amount sufficient to extract a substantial portion of the alkanol from the feedstock.
REFERENCES:
patent: 3963586 (1976-06-01), Ginnasi et al.
patent: 4162200 (1979-07-01), Himmele et al.
Darrington Franklin D.
Hensley, Jr. Albert L.
Pacheco Michael A.
Ambrose Michael G.
Amoco Corporation
Kretchmer Richard A.
Lee Mary C.
Sroka Frank J.
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