PROCESS TO PREPARE PHENOLIC ETHYLENEDIAMINE DIACETIC ACID COMPOUNDS
The present invention relates to a process to prepare N,N′-di(2-hydroxybenzyl) ethylenediamine-N,N′-diacetic acid and salts thereof (HBED) comprising a reaction between formaldehyde, ethylenediamine diacetic acid or a salt thereof (EDDA) and phenol, wherein the reaction mixture contains 0.2 to 1.1 m...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
05.07.2018
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Subjects | |
Online Access | Get full text |
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