Process for recovering and purifying herbicidal phenoxybenzoic a

Details Process for recovering and purifying herbicidal phenoxybenzoic a Process for recovering and purifying herbicidal phenoxybenzoic a

1983-07-25

1986-06-10

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

562434, 562435, C07C 6976, C07C 7946

Patent

active

045944407

ABSTRACT:
Crude phenoxybenzoic acid herbicide, e.g., acifluorfen, having one or more undesirable isomer/by-product impurities associated therewith is separated therefrom employing an inert solvent which is selective for the isomers/other by-products.

REFERENCES:
patent: 3798276 (1974-03-01), Bayer et al.
patent: 3928416 (1975-12-01), Bayer et al.
patent: 3979437 (1976-09-01), Theissen

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