Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Patent
1997-09-12
1999-02-23
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
570177, C07C 1738
Patent
active
058746587
ABSTRACT:
A method is disclosed for separating a mixture of at least one hydrofluorocarbon from hydrogen fluoride. The method comprising treating said mixture with a compound selected from the group consisting of an alkanolamine of formula
REFERENCES:
patent: 1946195 (1934-02-01), Davdt
patent: 1946199 (1934-02-01), Dunphy
patent: 3873629 (1975-03-01), Jones
Hammond Richard J.
LaRoche Industries Inc.
Siegel Alan
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