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US 5,846,925 AGranted
Succinic acid derivative degradable chelants, uses and compositions thereof
AssigneeThe Dow Chemical Company
InventorsDavid A. Wilson, Druce K. Crump
Life of this patent
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Abstract
Solutions comprising at least one polyamino disuccinic acid and one or more polyamino monosuccinic acids are useful in gas conditioning (preferably as the iron chelate). The copper chelates are also useful in electroless copper plating. Another aspect of the invention includes the use of the aminosuccinic acid mixtures in laundry detergent compositions.
Claims12
A composition for chelating a metal comprising at least one polyamino disuccinic acid and at least one polyamino monosuccinic acids wherein the mole ratio of polyamino disuccinic acid to the polyamino monosuccinic acid is from 99:1 to about 5:95.
Dependencies are inferred from the claim text.