Patent ID: 7166688
Filing Date: 2007-01-23
Classification: C07C

Abstract:
1. A fertilizer for application to soil, seeds, or plants, comprising at least one metal selected from the group consisting of calcium, magnesium, manganese, iron, cobalt, copper, zinc, molybdenum, and mixtures thereof, chelated with a chelating composition comprising a modified iminodisuccinic acid, or a salt thereof, having one or more of the following formulas: where X may be H, alkali, alkaline earth, ammonium-substituted radical, ammonium or transition metal; where n may be 1 to 10; and where R may be a Lewis base capable of donating a nonbonded pair of electrons, prepared such that said chelating composition has at least six coordinating nonbonded electrons; and at least five of the nonbonded electron pairs may participate in coordination without steric hindrance or bond angle limitations.