Abstract: There is provided a bleaching composition, suitable for use in a machine dishwashing method, containing: an oxygen-releasing bleaching agent, from 0.05% to 2.5% by weight, preferably 0.1% to 0.6% by weight of a paraffin oil, from 0.005% to 3%, preferably 0.02% to 1% and most preferably from 0.05% to 0.5% of a benzotriazole compound. Preferably the bleaching composition forms a part of a detergent composition.

Abstract: A process for stabilising percarbonate by coating with a coating agent. The percarbonate particles are treated with a concentrated aqueous solution containing at least one boron compound selected from the metal and ortho boric acids and at least one phosphate. Water is removed to provide the coated percarbonate particles which are useful in bleaching and washing compositions.

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: The present invention relates to a machine dishwashing composition containingfrom 1% to 80% of a detergent builder component other than carbonatefrom 0% to 9%, preferably 0% to 5%, most preferred 0% of alkali-metal carbonate or bicarbonate saltan oxygen-releasing bleaching agent such that the level of available oxygen measured according to the method herein is from 0.3 to 1.7, preferably 0.5 to 1.2,from 0.05% to 2.5%, preferably 0.1% to 0.6% of a paraffin oil, the rate of release of oxygen being preferably also controlled; the present invention also encompasses a process for making such compositions.

Abstract: Aqueous, acidic bleach laundry detergent compositions with selected chelants which remain substantially undissolved in the acidic product formulation are described. The chelants are chemically stable within the product even upon extended storage and provide improved in-use chelating as well as product performance.

Abstract: Improved cleaning and/or bleaching compositions including fabric laundry and bleaching compositions, automatic dishwashing compositions, hard surface cleaners, bleach additives and the like, suitable for domestic use, comprising improved bleach activators having particular alpha-modified lactam leaving groups leading to improved in-use performance of bleaching agents such as perborate even under wash conditions less alkaline than those typically encountered or when hydrogen peroxide source is at low levels in a cleaning operation. A preferred class of activators are N-acyl-3-morpholinone compounds with benzoyl being a preferred acyl group and N-Benzoyl-3-oxomorpholine being a highly preferred activator.

Abstract: A cleaning composition including a terpene such as D-limonene and hydrogen peroxide in a surfactants based aqueous solution. The composition in various specific formulations is a micro-emulsion useful for a variety of materials and for both industrial and household applications.

Abstract: The concentration of Al on silicon surface is reduced to lose its influence on the growth rate of an oxide film during thermal oxidation when semiconductor surface treatment is carried out by a process for treating semiconductor surfaces which comprises a step of cleaning surfaces of semiconductors with a semiconductor surface treating agent comprising an inorganic or organic alkali, hydrogen peroxide and water as major components, and a step of rinsing the resulting surfaces with ultra-pure water, at least one of the semiconductor surface treating agent and the ultra-pure water containing as a complexing agent a compound having three or more ##STR1## groups in the molecule or a salt thereof.

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 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 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: A) A metallocatalyst selected from: a) metalloporphin and water-soluble or water-dispersable derivatives thereof; b) metaloporphyrin and water-soluble or water-dispersable derivatives thereof; c) metallophthalocyanine and water-soluble or water-dispersable derivatives thereof; B) a polyamine N-oxide containing polymers; C) an efficient amount of a bleaching agent.

Abstract: There are herein disclosed a rubber composition for cleaning a mold which comprises 100 parts by weight of a natural rubber and/or a synthetic rubber, 2 to 30 parts by weight of an amino-alcohol salt in terms of an amino-alcohol content, 5 to 50 parts by weight of a glycol, 30 to 90 parts by weight of an adsorbent and 0.5 to 10 parts by weight of an organic peroxide, and a method for cleaning the mold by the use of this rubber composition.Since the amino-alcohol is fixed as the salt, the generation of ammonia odor at the time of kneading or at room temperature can be prevented to improve a working environment, and the volatilization of the amino-alcohol can be inhibited, whereby a mold cleaning effect can be maintained even after the lapse of a long time.

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: Liquid or gel dishwashing detergent compositions containing anionic surfactant, polyhydroxy fatty acid amide, calcium ions and alkyl polyethoxypol ycarboxylate for improved stability are described. A preferred embodiment comprises:(a) from about 3% to about 40% of polyhydroxy fatty acid amide having the formula: ##STR1## wherein R.sup.1 is hydrogen, C.sub.1-4 hydrocarbyl, 2-hydroxyethyl, 2-hydroxypropyl, or mixtures thereof; R.sup.2 is C.sub.5 -C.sub.31 hydrocarbyl; mid Z is a polyhydroxy-hydrocarbyl having a linear hydrocarbyl chain with at least three hydroxyl groups directly connected to the chain, or an alkoxylated derivative thereof;(b) from about 0.1% to about 4% of calcium ions;(c) from about 0.001% to about 15% of alkylpolyethoxypolycarboxylate surfactant having the general formula: ##STR2## wherein R is a C.sub.6 to C.sub.18 alkyl group, x is from about 1 to about 25, R.sub.1 and R.sub.

Abstract: A process for preparing particulate bodies containing a substantially water-insoluble organic peroxyacid compound, which process does not include a solidification step, including an early step of intimately mixing substantially water-insoluble peroxyacid compound with a peroxyacid-stable, water-soluble surfactant.

Abstract: Bleaching compositions comprising an inorganic peroxygen compound and a bicyclic or tricyclic diketone as an activator for the peroxygen compound. The composition preferably comprises about 1 to about 75% of the peroxygen bleaching compound and about 1 to about 75% of the bicyclic or tricyclic diketone bleaching compound activator. The conventional additives such as surfactants, antifoaming agents, fabric softeners, stabilizers, inorganic builder salts, buffers, enzymes and the like may be present as indicated. The compositions can be formulated as dry concentrated, aqueous solutions, aqueous solutions containing non-aqueous solvents, etc. The compositions are environmentally safe, effective as bleaching agents from below room temperature to higher temperatures, biodegradable and otherwise highly desirable.

Abstract: Liquid detergent compositions are described which comprise conventional detergency ingredients and color-stabilizing compounds yielding various sulfite ions in the finished product.

Abstract: Detergent compositions containing amide substituted peroxyacid bleaching compounds are provided in which at least 60% of the originally added peronacid bleach remains after 28 days storage at 32.degree. C. and 80.degree. RH. The compositions contain at least one multi-ingredient component and have a density in excess of 650 g/liter, a total Iron, Manganese and Copper content of less than 40 ppm, an Equilibrium Relative Humidity at 32.degree. C. of less than 30% and preferably a sodium sulphate content of less than 2.5 % by weight.

Abstract: Proposed is a bleaching composition for house cleaning which exhibits very high bleaching activity but is free from the problem of an unpleasant irritative odor. The composition comprises: (a) a water-soluble peroxide compound such as hydrogen peroxide; and (b) a compound as a bleaching activator represented by the general formula ##STR1## in which X.sup.1 is a monovalent group represented by the general formulaR.sub.3 N.sup.+ --Y--,each R being, independently from the others, an alkyl group having 1 to 4 carbon atoms and Y being an alkylene group, X.sup.2 is a hydrocarbon group, an unsubstituted or N-substituted aminoalkyl group or the same group as X.sup.1, A is an anion of n valency and x is a number of 1/n or 2/n so as to balance the positive and negative charges in the molecule.

Abstract: Laundry detergents and bleaching systems comprising acyl verolactam bleach activators having the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted alkyl or alkoxy group containing from about 1 to about 18 carbon atoms wherein the longest linear alkyl or alkoxy chain extending from and including the carbonyl carbon contains from about 2 to about 12 carbon atoms; ##STR2## wherein R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are members selected from the group consisting of H, halogen, nitro, alkyl, alkoxy, alkoxyaryl, alkaryl, and alkaryloxy moieties containing from about 1 to about 12 carbon atoms, and substituents having the structures: ##STR3## wherein R.sup.7 is selected from the group consisting of H, alkyl, alkaryl, alkoxy, alkoxyaryl, alkaryloxy, and aminoalkyl; X is O, NH, or NR.sup.9, wherein R.sup.9 is H or a C.sub.1 -C.sub.4 alkyl group; and R.sup.8 is an alkyl, cycloalkyl, or aryl group containing from 3 to 11 carbon atoms; orc) mixtures of a) and b)are provided.

Abstract: The present invention provides a detergent additive comprising a water-soluble or water-dispersible detergent active compound such as enzyme characterized in that said compound is mixed with a surfactant before absorption into a porous hydrophobic material such as silica, said porous material subsequently being coated with a hydrophobic material such as silicone oil. Detergent compositions containing said additive are also encompassed.