Patent ID: 6534473
Filing Date: 2003-03-18
Classification: B30B,C11D

Abstract:
A process for the manufacture of a detergent tablet which comprises mixing(i) particles which comprise non-soap organic surfactant, with (ii) a material which is other than soap or organic surfactant and which has a solubility in water of at least 10 gm/liter at 20Â° C. followed by compacting the mixture into a tablet or a region of a tablet using an applied pressure in a range from 3.0 to 35 MPa, said material (ii) comprising from 15 to 40% by weight of the mixture of (i) and (ii) and being selected from the group consisting of a compound with a water-solubility exceeding 50 grams per 100 grams water; sodium tripolyphosphate containing at least 50% of its own weight of the phase I anhydrous form, and mixtures thereof, said particles (i) containing from 80 to 100% by weight of all the organic surfactant in the tablet or region thereof, from 25 to 80% of their own weight of water-soluble or water-insoluble detergency builder and from 20 to 50% of their own weight of non-soap organic surfactant.