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1. (WO2014205190) EXTRACTION SOLVENT CONTROL FOR REDUCING STABLE EMULSIONS

Pub. No.:    WO/2014/205190    International Application No.:    PCT/US2014/043134
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Fri Jun 20 01:59:59 CEST 2014
IPC: B01D 11/04
C07F 9/6574
C07F 9/145
Applicants: INVISTA TECHNOLOGIES SÀRL
Inventors: TENN, William, J.
Title: EXTRACTION SOLVENT CONTROL FOR REDUCING STABLE EMULSIONS
Abstract:
Disclosed herein are methods for recovering diphosphonite-containing compounds from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are pre-treatments to enhance extractability of the diphosphonite-containing compounds.