Invention Grant
US08946459B2 Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN
有权
通过EDFA和/或EDMFA与HCN反应制备EDDN和/或EDMN的方法
- Patent Title: Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN
- Patent Title (中): 通过EDFA和/或EDMFA与HCN反应制备EDDN和/或EDMN的方法
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Application No.: US13598685Application Date: 2012-08-30
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Publication No.: US08946459B2Publication Date: 2015-02-03
- Inventor: Hermann Luyken , Sebastian Ahrens , Gordon Brasche , Jens Baldamus , Robert Baumann , Randolf Hugo , Stephanie Jaegli , Johann-Peter Melder , Jörg Pastre , Boris Buschhaus
- Applicant: Hermann Luyken , Sebastian Ahrens , Gordon Brasche , Jens Baldamus , Robert Baumann , Randolf Hugo , Stephanie Jaegli , Johann-Peter Melder , Jörg Pastre , Boris Buschhaus
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Drinker Biddle & Reath LLP
- Main IPC: C07D303/02
- IPC: C07D303/02 ; C07C253/06 ; C07C231/10 ; C07C209/48
Abstract:
A process for reacting ethylenediamine-formaldehyde adduct (EDFA) and/or ethylene-diamine-monoformaldehyde adduct (EDMFA) with hydrogen cyanide (HCN) in a reactor with limited backmixing at a temperature in the range from 20 to 120° C., wherein the residence time in the reactor is 300 seconds or less.
Public/Granted literature
- US20130053584A1 PROCESS FOR PREPARING EDDN AND/OR EDMN BY REACTING EDFA AND/OR EDMFA WITH HCN Public/Granted day:2013-02-28
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