Patent ID: 6162259
Filing Date: 2000-12-19
Classification: C11D

Abstract:
A granular or tablet detergent composition comprisinga) from 0.2% to 30% by weight of the composition of a surfactant system;b) from 1% to 80% by weight of the composition of a builder; andc) from 0.001% to 40% by weight of the composition of an amino tricarboxylic acid or salt thereof wherein said amino tricarboxylic acid has the general formula: ##STR22## where R.sub.1, R.sub.2 and R.sub.3 are alkyl groups or substituted alkyl groups of chain length C1 to C4; n is 0 or 1; and X is an organic substituent group;wherein said amino tricarboxylic acid has a rate of dissolution such that in the T50 test method, the time taken to achieve 50% dissolution of amino tricarboxylic acid is less than 100 seconds; and wherein said amino tricarboxylic acid or salt thereof has an average particle diameter of from 1100 to 200 micrometers and is present as a layer on the outermost surface of the composition.