Solvent extraction of I-141B from I-365

Details Solvent extraction of I-141B from I-365 Solvent extraction of I-141B from I-365

1991-08-28

1992-03-24

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1738

Patent

active

050990829

ABSTRACT:
Partial or total separation of a mixture of 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-1-fluoroethane by liquid-liquid extraction with solvents containing ethylene glycol, 2-butene-1,4-diol, ethanolamine, propylene glycol, or mixtures thereof, preferably ethylene glycol.

REFERENCES:
patent: 3624166 (1971-11-01), Fuhrmann et al.
patent: 3947558 (1976-03-01), Eijl
patent: 4031148 (1977-06-01), Helgorsky

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