Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-01-23
1990-08-07
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549510, C07D30504
Patent
active
049469720
ABSTRACT:
A novel process for distillation of a mixture comprising 2,2,3,3-tetrafluorooxetane, which method comprises distilling the mixture comprising 2,2,3,3-tetrafluorooxetane in a metallic distillation column in the presence of at least one additive compound selected from the group consisting of an organic nitro compound and an aromatic compound.
REFERENCES:
Chemical Abstracts, vol. 105, No. 25, Dtd. 12/22/86, 105:226322e, "Separation of 2,2,3,3-Tetrafluorooxetane from Hydrogen Fluoride".
Chemical Abstracts, vol. 109, No. 12, Dtd. 9/19/88, 109:93808b, "Method of Making 2,2,3,3-Tetrafluorooxetane".
Ohsaka Yohnosuke
Takaki Shoji
Daikin Industries Ltd.
Owens Amelia A.
Raymond Richard L.
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