Process for making iminodiacetic acid compounds from monoethanolamine substrates
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United States of America Patent
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Jun 20, 2006
Grant Date -
Sep 18, 2003
app pub date -
Feb 3, 2003
filing date -
May 15, 2000
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Abstract
This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: ##STR00001## wherein R.sup.1 is hydrogen, hydrocarbyl, or substituted hydrocarbyl. The process includes a series of reactions comprising a cyanomethylation, a hydrolysis and a dehydrogenation. In a particular embodiment, the iminodiacetic acid produced is disodium iminodiacetic acid and the monoethanolamine substrate used is 2-aminoethanol.
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