Method for separating a trihalogenobenzene isomer

Details Method for separating a trihalogenobenzene isomer Method for separating a trihalogenobenzene isomer

1988-01-05

1989-01-17

Lone, Werren B.

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

Organic compounds

Halogen containing

570190, C07C 1738, C07C 2510

Patent

active

047989130

ABSTRACT:
A method for separating a trihalogenobenzene isomer from a mixture of at least two trihalogenobenzene isomers selected from the group consisting of 1,2,3-, 1,2,4- and 1,3,5-substituted isomers among trihalogenobenzenes represented by the formula: ##STR1## wherein X is Cl or Br, by means of a zeolite adsorber, characterized in that a ZSM-zeolite is used as the adsorber.

REFERENCES:
patent: 2725407 (1955-11-01), Kolka
patent: 2958708 (1960-11-01), Fleck
patent: 4254062 (1981-03-01), Wambach
patent: 4571441 (1986-02-01), Miwa et al.
patent: 4605799 (1986-08-01), Miwa et al.
patent: 4698453 (1987-10-01), Miwa et al.

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