C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/02 (2006.01) C07C 51/41 (2006.01) C07C 227/16 (2006.01) C07C 229/76 (2006.01)
Patent
CA 2046684
ABSTRACT A process of preparing iron chelates of amino and hydroxy carboxylic acids, comprising reacting an oxide of iron with an amino or hydroxy carboxylic acid and a base in the presence of ferrous ion or metallic iron as a catalyst. Additional base is added to the resulting chelant and oxidation may be carried out to convert any ferrous ion to ferric.
Begonis Walter B.
Thunberg Jon C.
Vankouwenberg Steven P.
Hampshire Chemical Corp.
Smart & Biggar
W.r. Grace & Co.,-Conn.
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