Process for removing vinylidene chloride and other unsaturated c

Details Process for removing vinylidene chloride and other unsaturated c Process for removing vinylidene chloride and other unsaturated c

1990-12-13

1993-03-02

Jones, W. Gary

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415820, 20415821, C07C 1700

Patent

active

051906260

ABSTRACT:
Vinylidene chloride is removed from 1,1-dichloro-1-fluoroethane (HCFC-141b) by contacting the HCFC-141b in the vapor phase with chlorine in the presence of ultraviolet light providing an exposure up to about 50 watts-hour/kg.

REFERENCES:
patent: 2707197 (1955-04-01), Souillard
patent: 2945796 (1960-07-01), Seller
patent: 3629085 (1971-12-01), Coppens
patent: 4941957 (1990-07-01), Zeff et al.
patent: 5095158 (1992-03-01), Bolmer

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