Process for preparing N-phosphonomethyliminodiacetic acid

Details Process for preparing N-phosphonomethyliminodiacetic acid Process for preparing N-phosphonomethyliminodiacetic acid

1996-12-17

1997-11-18

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus acids or salts thereof

C07F 938

Patent

active

056889941

ABSTRACT:
A process for the preparation of N-phosphonomethyliminodiacetic acid is disclosed. The process comprises simultaneously infusing into a reaction mixture water, a source of iminodiacetic acid, a source of formaldehyde, and a source of phosphorous acid and strong acid.

REFERENCES:
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patent: 3950402 (1976-04-01), Franz
patent: 3954848 (1976-05-01), Franz
patent: 4724103 (1988-02-01), Gentilcore
patent: 4775498 (1988-10-01), Gentilcore
patent: 4931585 (1990-06-01), Pelyva et al.
patent: 5312973 (1994-05-01), Donadello
patent: 5527953 (1996-06-01), Jones et al.

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