Process for producing and purifying 1,1-difluoroethane, and...

Details Process for producing and purifying 1,1-difluoroethane, and... Process for producing and purifying 1,1-difluoroethane, and...

2005-02-01

2005-02-01

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S165000, C570S166000, C570S167000, C570S168000, C570S169000, C570S177000, C570S178000, C203S080000, C203S091000

Reexamination Certificate

active

06849772

ABSTRACT:
1,1-Difluoroethane containing less than 10 mg/kg of vinyl chloride is obtained by treatment, with hydrogen fluoride, of a crude 1,1-difluoroethane containing less than 1 mol of hydrogen chloride per mole of 1,1-difluoroethane.

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1,1-difluoroethane,Dictionary of Chemical Engineering, p. 17, 1992.

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