Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Patent
1993-01-11
1994-04-05
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
C07C 1708
Patent
active
053007093
ABSTRACT:
A process for working up the hydrogen fluoride phase of reaction mixtures from fluorination reactions comprising contacting the hydrogen fluoride phase with oleum in order to obtain dried hydrogen fluoride, which can be recycled to the fluorination reaction.
REFERENCES:
patent: 2640086 (1953-05-01), Baldwin
patent: 3047641 (1962-07-01), Neill et al.
patent: 3919399 (1975-11-01), Schabacher et al.
patent: 4460551 (1984-07-01), Bose et al.
Weissberger Separation and Purification vol. III Part 1 2nd ed pp. 809-811.
Eicher Johannes
Rudolph Werner
Schulte Bernhard
Siegel Alan
Solvay Fluor and Derivate GmbH
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