Abstract: There is provided a particulate solid machine dishwashing detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.3 to 7.0 subsequent to complete release of said acidification agent.

Abstract: A warewashing composition for a machine dishwasher and a method of using it is described. The composition comprises effective amounts of an organic peroxy acid, and an amylase enzyme which, when incubated at 55.degree. C. in a solution of 2 mM sodium citrate, 1 mM epsilon phthalimidoperoxyhexanoic acid in 36 ppm water at pH 8.0, has a half-life of two minutes or greater based on an activity vs. time plot obtained via monitoring color development at 405 nm of solution samples incubated with p-nitrophenyl-.alpha.-D-maltoheptaoside as substrate and gluco amylase and .alpha.-glucosidase as coupled enzymes; and 1% to 75% by weight of a builder. A 1% aqueous solution of the composition must have a pH of less than 10.

Abstract: A free-flowing particulate detergent admix that contains nonionic surfactant is disclosed. The nonionic surfactant is in the form of various sorbitan esters encased in a matrix of a plastic, organic structuring agent that can be readily dissolved or dispersed in an aqueous laundry bath. The nonionic detergent admix can be incorporated in granular laundry detergent products.

Abstract: The method for producing nonionic detergent granules includes the steps of (I) blending the following (i) to (iii): (i) at least one of a nonionic surfactant and an aqueous nonionic surfactant solution; (ii) an acid precursor of an anionic surfactant capable of having a lamellar orientation; (iii) at least one of an alkali builder and an alkali, porous oil-absorbing carrier, to give a mixture of detergent starting materials containing the nonionic surfactant as a main surfactant component; and (II) heating the mixture obtained in step (I) at least up to a temperature capable of neutralizing the acid precursor of the anionic surfactant in an agitating mixer, and granulating while tumbling the agitating mixer thereby increasing a bulk density, to give nonionic detergent granules having a bulk density of from 0.6 to 1.2 g/ml.

Abstract: A process for preparing high density detergent agglomerates having a density of at least 650 g/l is provided. The process comprises the steps of: (a) continuously mixing a detergent surfactant paste and dry starting detergent material into a high speed mixer/densifier to obtain detergent agglomerates, wherein said surfactant paste includes, by weight of said surfactant paste, from about 0.1% to about 50% of a non-aqueous binder, from about 70% to about 95% of a detersive surfactant, and the balance water; (b) mixing the detergent agglomerates in a moderate speed mixer/densifier to further density and agglomerate the detergent agglomerates; and (c) drying said detergent agglomerates so as to form the high density detergent composition. The process may include one or more additional processing steps such as adding a coating agent after the moderate speed mixer/densifier to facilitate and control agglomeration.

Abstract: There is provided a particulate solid laundry detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.3 to 7.0 subsequent to complete release of said acidification agent.

Abstract: A method for preparing moisturizing liquid personal cleansing compositions comprising preparing an encapsulated lipophilic skin moisturizing agent, mixing the encapsulated lipophilic skin moisturizing agent into a liquid personal cleansing matrix, and processing and packaging the resulting mixture. The final liquid personal cleansing composition product comprises a lipophilic skin moisturizing agent comprised of droplets having a particle size distribution such that at least about 10% by weight of the droplets have a diameter of greater than about 100 microns.

Abstract: A process for preparing high density detergent compositions is provided. The process comprises the steps of: (a) continuously mixing a detergent surfactant paste and dry starting detergent material into a high speed mixer/densifier to obtain detergent agglomerates, wherein the ratio of the surfactant paste to the dry detergent material is from about 1:10 to about 10:1; (b) mixing the detergent agglomerates in a moderate speed mixer/densifier to further densify and agglomerate the detergent agglomerates; and (c) drying said detergent agglomerates so as to form the high density detergent composition. The dry detergent material may contain a builder material including a crystalline microstructure in which a carbonate anion, a calcium cation and at least one water-soluble cation are contained. The process may include one or more additional processing steps such as adding a coating agent such as the builder material described herein after the moderate speed mixer/densifier to facilitate and control agglomeration.

Abstract: A granular detergent composition having a bulk density of at least 650 g/l and comprising at least 5% by weight of anionic surfactants, nonionic surfactants, or mixtures thereof, and further comprising: i) from 2% to 50% by weight of granular alkalimetal percarbonate, ii) from 0.7% to 20% by weight of powdered silicate, and wherein silicate particles having a particle size diameter of less than 425 micrometers comprise at least 0.7% by weight of the composition.

Abstract: To provide a nonionic powdery detergent free from oozing of a liquid nonionic surfactant at ambient temperature and having excellent powder fluidity and non-caking properties and a solubility which is not deteriorated with time.The nonionic powdery detergent composition comprises (a) 12 to 35% by weight of a nonionic surfactant having a melting point of not higher than 40.degree. C. and an HLB in the range of 9.0 to 16.0,(b) 10 to 60% by weight of a crystalline aluminosilicate and(c) 5 to 20% by weight of an amorphous oil-absorbing carrier containing at least 30% by weight of silicon (in terms of SiO.sub.2) versus the weight of said carrier in an anhydrous state and having an oil-absorbing capacity of at least 80 ml/100 g, said carrier giving a dispersion with a pH of at least 9 or being soluble in a 2% aqueous NaOH solution in an amount of 0.5 g or below.

Abstract: The present invention relates to bleach catalyst-containing composite particles suitable for incorporation into granular detergent compositions, said composite particles comprising:(a) from about 1% to about 60% of bleach catalyst (preferably a cobalt catalyst); and(b) from about 40% to about 99% of carrier material that melts within the range of from about 38.degree. C. to about 77.degree. C. (preferably selected from the group consisting of polyethylene glycols, paraffin waxes, and mixtures thereof), and to processes for making these particles. These particles are particularly useful components of detergent compositions, such as laundry detergent compositions, hard surface cleaners, and especially automatic dishwashing detergent compositions.

Abstract: Detergent components or compositions having a bulk density of at least 700 g/l comprise a nonionic surfactant system including at least one nonionic surfactant which is a liquid at temperatures below 40.degree. C., and from about 0.5% to 15% by weight of the component or compositions of a flow aid which is a premixed powder comprising sodium aluminosilicate and hydrophobic silica in a weight ratio of from 100:1 to 5:1. The detergent components or compositions are made by free dispersion mixing or granulation.

Abstract: A process for continuously preparing high density detergent composition is provided. The process comprises the steps of: (a) agglomerating a detergent surfactant paste and dry starting detergent material in a high speed mixer/densifier to obtain agglomerates having a Dispersion Index in a range of from about 1 to about 6, whereinDispersion Index=A/BA is the surfactant level in the agglomerates having a particle size of at least 1100 microns, and B is the surfactant level in the agglomerates having a particle size less than about 150 microns; (b) mixing the agglomerates in a moderate speed mixer/densifier to further densify, build-up and agglomerate the agglomerates; and (c) conditioning the agglomerates such that the flow properties of the agglomerates are improved, thereby forming the high density detergent composition.

Abstract: A process for making a granular detergent composition comprising the steps of adding to a detergent powder particles of percarbonate having a mean particle size in the range of from 250 to 900 micrometers and a powdery flow aid containing a partially hydrated crystalline sodium aluminosilicate having a moisture content of less than 15%, preferably from 5% to 12%.

Abstract: An effective amount of uncomplexed cyclodextrin, in the form of particles having particle sizes below about 5 microns, is incorporated into solid dryer-activated fabric conditioning compositions which are used in dryers to treat fabrics. The cyclodextrin is thereby attached to the fabrics and subsequently provides effective control of odors when they come in contact with the treated fabric. The fabric conditioning compositions can be attached to substrates to prepare an article of manufacture or be in the form of detergent compatible particles, for use with conventional laundry detergents.

Abstract: The invention relates to a process for stabilizing particulate alkali metal percarbonate by coating by coating it with an aqueous solution, preferably concentrated, of a complex formed from a boric acid or borate and an organic diol, polyol or hydroxycarboxylic acid, to the resulting coated product, and to compositions including the product. The coating can additionally contain an alkali metal neutral salt such as sodium chloride or sodium sulphate.

Abstract: Sodium percarbonate is often used in the form of coated particles to increase its storage stability in detergents.Sodium percarbonate particles coated in accordance with the invention have a coating containing reaction products from the reaction of a dialkali metal tetraborate or alkali metal pentaborate with aqueous hydrogen peroxide. Preferred coating components are: perborax with the formula Na.sub.2 B.sub.4 O.sub.7 .multidot.H.sub.2 O.sub.2, where n =2 or 4.The coated sodium percarbonate particles are produced by coating the percarbonate particles using a solution containing the reaction products mentioned above.Detergent, bleaching and cleaning compositions containing sodium percarbonate particles coated in accordance with the invention are distinguished by very high stability in storage.

Abstract: Detergent tablets, compacted from detergent powder containing detergent active and detergency builder, contain a polymer which acts as binder and as a disintegrant when the tablets are added to water. Preferably the binder is sprayed into the powder before compaction. The strength of such tablets is improved, without detriment to other properties, by tabletting at a temperature above ambient but below melting point of the polymeric binder. Preferably the temperature is only 5.degree. C. to 10.degree. C. below the melting point of the binder.

Abstract: A process for producing a particulate laundry additive composition produces a particulate laundry additive for perfume delivery in laundry detergent compositions, especially those in the form of granules or agglomerates. The process includes mixing a porous carrier material, typically containing perfume, and an encapsulating material, typically a carbohydrate material, and then compacting the mixture to form agglomerates. The agglomerates which include the porous carrier particles enrobed with the encapsulating material are then sized into particles for incorporation into a detergent product. The process may be employed to produce particulate additive compositions which may be used in fabric softening and dishwashing as well as laundry detergent compositions.

Abstract: A process for producing a particulate laundry additive composition produces a particulate laundry additive for perfume delivery in laundry detergent compositions, especially those in the form of granules or agglomerates. The process includes mixing a porous carrier material, typically containing perfume, and an encapsulating material, typically a carbohydrate material, to form agglomerates or an extrudate which is then sized into particles for incorporation into a detergent product. The process may be employed to produce particulate additive compositions which may be used in fabric softening and dishwashing as well as laundry detergent compositions.

Abstract: A granular, powdered detergent comprising a blend of first and second components, said first component comprising a first portion of a flowable powder detergent builder with a liquid surfactant, and an effective amount of a finely divided barrier particle material and a second component comprising a second portion of flowable powder detergent builder, such that the first portion of detergent builder comprises from about 10% to about 90% of the total amount of detergent builder in the resulting composition.

Abstract: A process for producing granules having reduced tackiness by forming granules in a fluidized bed apparatus and then adding a granule stabilizer to the discharge air stream of the apparatus after the granules have emerged from the apparatus.

Abstract: Disclosed is a container 10, 25 for dispensing of detergents and other solid chemicals, and a method for manufacturing the container 10, 25. The container 10, 25 has a paperboard housing 11, 26 which contains a plastic bladder 21, 27. The exposed surface of the solid chemical is covered by a cap 12, 32. A handle 16, 37 is provided. The container 10, 25 is suitable for use in a dispensing device 40.

Abstract: A process for producing free-flowing granules comprising the steps of (a) drying with superheated steam an aqueous mixture containing at least one surfactant selected from the group consisting of anionic surfactants and nonionic surfactants to form carrier granules having a porous inner structure, and (b) impregnating the porous inner structure of the carrier granules with an aqueous coating composition selected from the group consisting of wetting agents, detergents, cleaning agents, and mixtures thereof, to form an impregnated carrier granule.

Abstract: A process for stabilizing percarbonate by coating by means of a coating agent according to which the percarbonate particles are treated with a concentrated aqueous solution containing at least one boron compound selected from meta and ortho boric acids and at least one silicate, following by removal of water to provide coated percarbonate particles. The solution is prepared by adding the boron compound to a solution of the silicate. The coated particles are useful in washing and bleaching compositions.

Abstract: Acyl lactam bleach activator is intimately mixed with a water-soluble surfactant to form a bleach activator particle, with good solubility and which perhydrolyzes well. Said process does not include a drying step. Optionally, but preferably, the particle will further comprise binders and a crystalline material.

Abstract: Compounds of the formulas ##STR1## wherein each R.sup.1 is independently H or alkyl (1-8C) and R.sup.2 is alkyl (1-8C) or wherein the proximal R.sup.1 and R.sup.2 taken together are --(CH.sub.2).sub.p -- wherein p=3-5;R.sup.3 is H or alkyl (1-4C);R.sup.4 is fused or conjugated unsubstituted or substituted bicycloaryl methylene;n is 0, 1 or 2;m is 0 or 1; andX is OR.sup.5 or NHR.sup.5, wherein R.sup.5 is H or substituted or unsubstituted alkyl (1-12C), aryl (6-12C), aryl alkyl (6-16C); orX is an amino acid residue or amide thereof; orX is the residue of a cyclic amine or heterocyclic amine;wherein R.sup.6 is H or lower alkyl (1-4C) and R.sup.7 is H, lower alkyl (1-4C) or an acyl group, and wherein --CONR.sup.3 -- is optionally in modified isosteric formare useful for treating conditions which are characterized by unwanted matrix metalloprotease activities.

Abstract: A process for preparing high density detergent agglomerates having a density of at least 650 g/l is provided. The process comprises the step of continuously mixing detergent granules having a density of less than about 450 g/l in a moderate speed mixer/densifier wherein the granules are pulverized and densified to produce agglomerates having a density of at least 650 g/l . The mean residence time of the granules in the moderate speed mixer/densifier is at least about 12 minutes, and preferably from 12 to 15 minutes. The process further includes the step of either spraying a binder or adding a coating agent in the mixer/densifier to facilitate agglomeration of the granules. Thereafter, the agglomerates are dried to obtain the high density granular detergent agglomerates which are ready for packaging as a low dosage detergent.