Process for making iminodiacetic acid compounds from monoethanolamine substrates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 29, 2003
Grant Date -
Feb 14, 2002
app pub date -
May 15, 2001
filing date -
May 15, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: ##STR1## 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 with the hydrolysis and dehydrogenation steps being carried out either sequentially or concurrently. In a particular embodiment, the iminodiacetic acid produced is disodium iminodiacetic acid and the monoethanolamine substrate used is 2-aminoethanol.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully