Invention Grant
- Patent Title: Extraction solvent control for reducing stable emulsions
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Application No.: US14367156Application Date: 2012-11-20
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Publication No.: US09388204B2Publication Date: 2016-07-12
- Inventor: William J. Tenn, III , Sudhir N. V. K. Aki , Thomas E. Vos , Tseng H. Chao
- Applicant: INVISTA North America S.a r.l.
- Applicant Address: US DE Wilmington
- Assignee: INVISTA North America S.a.r.l.
- Current Assignee: INVISTA North America S.a.r.l.
- Current Assignee Address: US DE Wilmington
- Agent Robert B. Furr, Jr.; Edward F. Kenehan, Jr.
- International Application: PCT/US2012/065972 WO 20121120
- International Announcement: WO2013/095851 WO 20130627
- Main IPC: C07F9/145
- IPC: C07F9/145 ; C07F9/141 ; C07F9/6574 ; B01D11/04 ; B01J31/40 ; B01J31/18

Abstract:
Disclosed herein are methods for recovering diphosphite-containing compounds from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are treatments to enhance extractability of the diphosphite-containing compounds.
Public/Granted literature
- US20140350280A1 EXTRACTION SOLVENT CONTROL FOR REDUCING STABLE EMULSIONS Public/Granted day:2014-11-27
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