Process improvement for diphenyl ether production

Details Process improvement for diphenyl ether production Process improvement for diphenyl ether production

1982-09-30

1984-11-20

Helfin, Bernard

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

Organic compounds

Oxygen containing

560 65, 560 35, 562474, 562435, 260465F, 568 62, 568 33, 568 27, 568585, 564 84, 564442, C07C 4116, C07C 4134

Patent

active

044840080

ABSTRACT:
This invention relates to an improvement in the process of isolating certain diphenyl ethers from an aprotic organic solvent by the addition of a diphenyl ether phase forming amount of water to a reaction mixture comprising a liquid phase of the diphenyl ether dissolved in the solvent.

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S/N 51,254-Etherington et al.-filing date Jun. 22, 1979.
S/N 67,508-Etherington et al.-filing date Aug. 17, 1979.

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