A cleaner useful in removing undesirable polymeric material deposits adhered within small bore holes of electronic components is provided, as well as apparatus and methods for carrying out cleaning of such components.

An alkaline detergent is described which includes the use of a copolymer in combination with an alkali metal hydroxide. The detergent maintains cleaning functions and also prevents hard water scaling, for example at application temperatures of between 145-180 degrees Fahrenheit and with a pH of 9.5 to about 13.

The use of a gel consisting of a colloidal solution comprising, preferably consisting of: 5% to 30% by weight, preferably 5% to 25% by weight, more preferably 8% to 20% by weight relative to the weight of the gel, of at least one inorganic viscosifying agent; a mineral base selected from among hydroxides of alkaline metals, hydroxides of alkaline-earth metals and the mixtures thereof, said mineral base being present in a proportion of 0.05 to 10 mol/L of gel, preferably in a proportion of 0.1 to 5 mol/L of gel; an oxidizing agent stable in a basic medium selected from among permanganates, persulfates, ozone, hypochlorites and the mixtures thereof, said oxidizing agent stable in a basic medium being present in a proportion of 0.05 to 5 mol/L of gel, preferably 0.1 to 2 mol/L of gel; 0.1% to 2% by weight relative to the weight of the gel, of at least one surfactant; and a solvent; the gel not containing any super-absorbent polymer, to remove a biofilm present on a surface of a solid substrate.

An all-purpose cleaning composition comprised of by percentage weight: 1-3% Tetrapotassium Pyrophosphate, 1-3% Sodium Hexametaphosphate FG Fine, 7-10% Sodium Metasilicate Pentahydrate, 7-10% Trisodium Phosphate, 8-10% Sodium TriPolyPhosphate, 8-10% Caustic Soda, 9-11% Nonylphenol ethoxylate, 7-9% Glycol Ether, 1-3% D-Limonene, 3-5% Sodium Xylene Sulfonate and the balance of 43-50% water.

A multi-stage brushless car wash system is disclosed. The multi-stage brushless car wash system may be use different chemical solutions to wash vehicles. The chemical solutions may include an alkaline based solution. The chemical solutions may also or alternatively include ann acid based solution.

The present invention relates to compositions comprising protease variants suitable for use in cleaning or detergent compositions, such as laundry detergent compositions and dish wash compositions, including automatic dish wash compositions.

The invention provides a powdered composition of additives and a method of use thereof for increasing the visibility, potency and coverage of disinfectant solutions, such as bleach.

A solid block or unit dosed detergent composition as described which can be utilized in a variety of applications for cleaning surfaces and objects, removing suspending soils, and rinsing easily. The detergent composition, when exposed to an aqueous solution such as water, dissolves quickly and completely to create the use solution.

[Problem] To provide an electronic device manufacturing aqueous solution, which makes it possible to prevent pattern collapse or suppress non-uniformity of resist pattern width. [Means for Solution] An electronic device manufacturing aqueous solution comprising an alkylcarboxylic acid compound (A) and a solvent (B), wherein the alkylcarboxylic acid compound (A) is represented by the formula (a): A.sub.1-COOH (a), wherein A.sub.1 is C.sub.4-12 alkyl, and the solvent (B) comprises water.

A drain treatment system includes a supply interface, a drainage interface, a water distribution assembly, a pod housing, and a controller. The supply interface is configured to connect to a water supply, the drainage interface is configured to connect to a drain, and the distribution assembly is configured to receive water from the water supply via the supply interface. The pod housing is configured to retain at least one pod containing a drain treatment compound, and the controller is configured to control a transfer of the water from the water distribution assembly to the pod housing, wherein the water is configured to carry the drain treatment compound from the at least one pod to the drainage interface for delivery to the drain.