Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof
Patent
1997-08-29
1999-09-07
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus acids or salts thereof
C07F 922
Patent
active
059489383
ABSTRACT:
A process for preparing N-phosphonomethylglycine, which comprises treating N-phosphonomethyliminodiacetic acid in the presence of water, activated carbon and hydrogen peroxide. This process is a safe and efficient process for preparing N-phosphonomethylglycine.
REFERENCES:
patent: 4397676 (1983-08-01), Bakel
patent: 4486356 (1984-12-01), Bakel
patent: 4624937 (1986-11-01), Chou
patent: 5043475 (1991-08-01), Fields, Jr.
Hirayama Yukio
Nakano Kunio
Ohashi Naohiko
Sayama Shuzi
Davis Brian J.
Geist Gary
Sankyo Company Limited
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