Process for recovering high purity cis-1,4-dichlorobutene-2

Details Process for recovering high purity cis-1,4-dichlorobutene-2 Process for recovering high purity cis-1,4-dichlorobutene-2

1976-01-27

1978-05-16

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 67, 203 81, 260654S, B01D 310, C07C 2100

Patent

active

040897516

ABSTRACT:
The relative volatility of cis-1,4-dichlorobutene-2 to trans-1,4-dichlorobutene-2 is increased when these two isomers are fractionated in the presence of 3,4-dichlorobutene-1.

REFERENCES:
patent: 2850549 (1958-09-01), Ray
patent: 2861084 (1958-11-01), Starcher
patent: 2912471 (1959-11-01), Capp et al.
patent: 2928884 (1960-03-01), Bellringer et al.
patent: 2948760 (1960-08-01), Capp et al.
patent: 3899399 (1975-08-01), Long et al.
patent: 3901950 (1975-08-01), Richards et al.
patent: 3914167 (1975-10-01), Ivy et al.

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