Abstract: A process for the preparation of a homogeneous, storage-stable detergent for dishwashing machines in the form of fused blocks containing alkali metal hydroxide, alkali metal silicate, water, penta-alkali metal triphosphate, active chlorine donor, and organic complexing agent; comprising preparing a melt of alkali metal silicate, alkali metal hydroxide and water, maintaining the melt at a temperature of about 50.degree. C. to about 75.degree. C., adding to the melt an active chlorine donor and an organic complexing agent, introducing the melt into a flow mixer together with a penta-alkali metal triphosphate and distributing the triphosphate in the melt, pouring the resulting liquid mixture into flexible molds, and allowing the mixture to solidify.

Abstract: A granular, storable bleach mixture suitable for addition to a detergent composition or to a wash liquor comprising a mixture of (a) from 5 to 35% by weight sodium perborate, preferably as monohydrate, (b) from 5 to 30% by weight tetra-acetyl ethylene-diamine and (c) from 90 to 50% by weight of a carrier material. The latter comprises a salt optionally containing water of crystallization or urea or mixtures thereof with anhydrous sodium sulfate, wherein the salt containing water of crystallization should not undergo any phase transformation between 1.degree. C. and 45.degree. C. In addition, the mixture may contain up to 15% of detergent constituents, such as surfactant and sequestering agent. The average particle size of the individual component is from 0.1 to 0.6 mm, less than 1% by weight being larger than 1.6 mm in size.

Abstract: A detergent compact for dishwashing machines based on alkali metal metasilicates, pentalkali metal tripolyphosphates, active chlorine compound, and surfactant. The compact comprises a cold water-soluble tablet (1) or melt (2) of the metasilicates, tripolyphosphates and surfactant, and a warm water-soluble melt (1) or tablet (2) of the metasilicates, tripolyphosphates and active chlorine compound. The tablet (1) and melt (1) or melt (2) and tablet (2) are combined into a compact having varying solubility at varying water temperatures.

Abstract: A detergent tablet for a dishwashing machine wherein at least about 10% by weight of the tablet is dissolved in the pre-rinse cycle of said machine. The tablet comprises a mixture of hydrated sodium metasilicate, anhydrous sodium metasilicate, anhydrous penta-alkali metal tripolyphosphate wherein the ratio by weight of the anhydrous tripolyphosphate to the anhydrous sodium metasilicate is from about 1:2 to 2:1, an active chlorine compound, and a tabletting aid comprising a mixture of from about 1 to about 5% by weight of sodium acetate and from about 2 to about 6% by weight of spray-dried sodium zeolite NaA, based on the weight of the tablet.

Abstract: Tablets having a broad solubility profile containing a mixture of sodium metasilicate nonahydrate and anhydrous sodium metasilicate with a grain size of from 0.2 to 0.8 mm in a ratio by weight of from 1:0.75 to 1:1.2, anhydrous pentasodium triphosphate having a grain diameter of 0.2 to 0.3 mm, and 0.5 to 5% by weight of an active chlorine donor. The ratio by weight of pentasodium triphosphate to metasilicates is about 1:1 to 1:1.7, based on anhydrous substances. The tablets are used in automatic dishwashing machines where they are introduced into a free zone of the machine before the start of the prerinse cycle, at least 10% of the tablets being dissolved by inflowing cold water and at least another 70% being available in the main-wash cycle.

Abstract: To produce granular, free-flowing detergents containing sodium metasilicate, pentasodium triphosphate or zeolite NaA or a triphosphate/zeolite mixture, at least two of the components are first agglomerated and mixed as a granular preagglomertate with other components present in powder form and compacted by means of rolls, the pressure limit beyond which no further compaction is obtained not being significantly exceeded. The compactate is then size-reduced to the desired particle size.

Abstract: A block-form detergent composition for dishwashing machines based on alkali metal metasilicates, pentaalkali metal triphosphates, active chlorine compound, and surfactant. The block-form detergent composition comprises a cold water-soluble layer (1) comprising alkali metal metasilicates, and a warm water-soluble layer (2) comprising alkali metal metasilicates and pentaalkali metal triphosphate. The layer (1) and layer (2) are formed as separate melts, one melt is poured into a mold to cool and partially solidify, and the other melt added to the mold whereby the layers fuse to each other. In use, the layer (1) and layer (2) have different dissolving rates in the time-temperature program of the dishwashing machines.

Abstract: A multilayer detergent tablet for dishwashing machines based on alkali metal metasilicates, pentaalkali metal triphosphates, active chlorine compound, and surfactant. The tablet comprises a first cold water-soluble layer of alkali metal metasilicate nonahydrate, pentaalkali metal triphosphate, and a low-foaming nonionic surfactant; and a second layer which dissolves rapidly at increasing water temperatures comprising alkali metal metasilicate, pentaalkali metal triphosphate, and an active chlorine compound.

Abstract: A two component disinfecting and cleaning system for contact lenses comprising a first component containing a peroxo compound and an alkyl glucoside and a second component containing an H.sub.2 O.sub.2 -neutralilzing agent and a buffer salt in an amount sufficient to adjust the pH of an aqueous contact lens solution containing the first and second components to about 7.

Abstract: A detergent supply pack for supplying a shaped detergent solid to a dishwashing apparatus comprising a container for the detergent solid and a shaped detergent solid cast-molded therein, said container simultaneously functioning as a mold for the cast-molded detergent, as a container for the detergent solid during storage and shipping, and as improved handling means for handling the detergent for storing and shipping and for introducing the detergent into the dishwashing apparatus.

Abstract: Methods for producing a contact lens one-step cleaning and disinfecting tablet designed to be dissolved in water comprising:(A) preparing a tablettable neutralizing core mixture consisting essentially of at least one biocompatible reducing agent, at least one biocompatible catalyst, and at least one first buffering agent;(B) forming a core tablet from the mixture of step (A);(C) preparing a jacket mixture consisting essentially of at least one biocompatible cleaning and disinfecting agent and a second buffering agent; and(D) enveloping the core tablet of step (B) with the jacket mixture of step (C) so that it is completely surrounded by a stable outer layer thereof,as well as tablets produced by such methods.

Abstract: Detergents for dishwashing machines in the form of fused blocks containing alkali metal hydroxides, alkali metal silicates, and from 0.2 to 4% by weight of active chlorine donors having a hydrolysis constant of 3.times.10.sup.-4 or lower (preferably Na- or K-dichloroisocyanurate, Na-dichloroisocyanurate dihydrate, Na-monochloroamido-sulfonate or Na-N-chloro-p-toluene sulfonic acid amide). The process of making the fused blocks comprises heating metasilicate or waterglass solution with or without solid alkali metal hydroxide to 45.degree. to 48.degree. C., allowing the reaction temperature to rise to 60.degree. to 65.degree. C., adding the remaining ingredients including the active chlorine donor at 50.degree. to 65.degree. C., pouring the still liquid melt into flexible molds and allowing it to solidify into blocks therein. The detergent blocks of the invention have good stability to storage and a high dissolving rate in use.

Abstract: A free-flowing granulate of a powder-form or fine-grained component and a liquid component; the granulate containing at least 20% by weight of the liquid component, is prepared by moving the powder-form or fine-grained component in a mixer-granulator, adding the liquid component while mixing until a moist granulate having a particle size of at most 1.5 mm is obtained, subsequently coarsening the granulate thus obtained with an increase in temperature to a particle size of from 0.4 to 4 mm and optionally coating this coarse granulate with another powder-form and/or fine-grained component at 60.degree. to 90.degree. C. The optionally coated granulate is converted by lowering the treatment temperature into a dry-looking, free-flowing, coarse-grained product, which if desired, may be coated with another powder-form and/or fine-grained material. Despite the high percentage of a liquid component, the granulate thus obtained appears as a dry granulate and is free-flowing.

Abstract: A block-form detergent free of alkali metal hydroxides for use in dishwashing machines which contain from 65 to 85% by weight to a mixture of anhydrous sodium metasilicate and anhydrous pentasodium triphosphate in a ratio of from 1:1 to 1:2 and from 0.2 to 4% by weight of uniformly distributed active chlorine donors which are, for example, trichloroisocyanuric acid. The production process comprises heating sodium metasilicate to 45.degree. to 55.degree. C. to obtain a clear melt and then adding other constituents, the pentasodium triphosphate and the active chlorine donor being added last, and pouring the melt into flexible molds in which it is left to solidify into blocks. The detergents are stable for storage with good dissolving power.