Patent ID: 6451754
Filing Date: 2002-09-17
Classification: C11D

Abstract:
A process for preparing a detergent tablet comprising a compressed portion and a non-compressed, non-encapsulating portion, the steps of said process comprising:(a) compressing a composition comprising an active detergent component and a disrupting agent which is a member selected from the group consisting of disintegrating agents, effervescing agents and mixtures thereof to form at least one mould in said compressed portion; and (b) delivering a composition comprising an active detergent component in the form of a solid to said at least one mould of said compressed portion to form at least one non-compressed, non-encapsulating portion; wherein said detergent tablet comprises more than one non-ompressed portion the first and second and optional subsequent noncompressed portions comprise pariculates with substantially different average particle sire such that the difference in average particle size of the first and second and/or subsequent non-compressed portion is geater than 5%; and wherein said first and second and/or subsequent noncompressed portions have substaitially different density such that the difference between the density of the first and second and/or subsequent non-compressed portion is greater than 5%.