Patent ID: 6426424
Filing Date: 2002-07-30
Classification: C07C,C07D

Abstract:
A method of preparing amino acid chelates and complexes comprising the steps of:a) combining as a particulate blend i) a hydrated metal sulfate salt having one or more waters of hydration, ii) an amino acid ligand, and iii) a reaction modifier wherein the ligand to metal molar ratio is from about 1:1 to 4:1; b) confining the particulate blend in an enclosed environment; and c) applying heat to the particulate blend in the enclosed environment causing the waters of hydration of the metal sulfate salt to be released into the enclosed environment causing a reaction resulting in the formation of a granular amino acid chelate or complex by effecting the reaction between functional electron rich groups of the amino acid ligand and a metal ion of the metal sulfate salt.