-
公开(公告)号:WO2014205183A1
公开(公告)日:2014-12-24
申请号:PCT/US2014/043125
申请日:2014-06-19
Applicant: INVISTA TECHNOLOGIES S.A.R.L.
Inventor: TENN III, William, J.
IPC: B01D11/04 , C07F9/6574 , C07F9/145
CPC classification number: B01D11/0426 , B01D11/0457 , C07F9/4841 , Y02P20/582
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 treatments to enhance extractability of the diphosphonite-containing compounds.