C11D2111/16

Removal of paint from porous, smooth, and mineralogically fragile surfaces

Compositions and methods of the invention are directed to the removal of solid films, and particularly paint layers, from substrates, and particularly smooth, porous, and/or mineralogically fragile substrates such as sandstone. The compositions include cooked aqueous solutions of starch. The compositions can advantageously remove paints and other unwanted solid films from these and other substrates without damaging the substrate itself.

CLEANING LIQUID, AND METHOD OF CLEANING SUBSTRATE PROVIDED WITH METAL RESIST
20200326629 · 2020-10-15 ·

A metal resist cleaning liquid including a solvent, an organic acid, and a compound (B) represented by general formula (b-1) shown below (In the formula, Rb.sup.1 and Rb.sup.2 each independently represents an alkyl group having 1 to 3 carbon atoms; Rb.sup.3 and Rb.sup.4 each independently represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb.sup.1 represents a single bond, O, S or N(Rb.sup.5); Rb.sup.5 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb.sup.2 represents O, S or N(Rb.sup.6); Rb.sup.6 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n represents an integer of 0 to 3).

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High foaming liquid alkaline cleaner concentrate composition

A high foaming liquid alkaline cleaner comprises one or more alkalinity sources; one or more surfactants comprising a hydrotrope, one or more wetting and soil emulsifying surfactants, one or more foam volume generating surfactants, and one or more foam boosting surfactants and one or more sequestrants. Optionally, an organic solvent can be utilized. The high foaming liquid alkaline cleaning composition is generally prepared in a concentrated form and can be diluted as with water. The alkaline cleaner provides effective cleaning properties, with respect to fats, oils, and organic soils.

Alkaline cleaning compositions comprising a hydroxyphosphono carboxylic acid and methods of reducing metal corrosion

The invention relates to compositions, methods of manufacture, and methods for reducing metal corrosion during alkaline cleaning. In particular, the method employs a hydroxyphosphono carboxylic acid in alkaline cleaning of hard surfaces.

Methods, materials and apparatus for cleaning and inspecting girth gear sets

A one-step method of cleaning a girth gear set of a mill in preparation for inspection is provided, the method comprising: substantially emptying the mill; inching the gear; spraying a low, very low or non-Volatile Organic Compound (VOC) cleaning formulation at high pressure onto the gear, the cleaning formulation comprising a non-VOC aliphatic hydrocarbon solvent, an extreme pressure lubricant, a fretting wear lubricant, a non-ionic surfactant, and a mixture of non-VOC unsaturated fatty alcohols; and continuing to spray the low or very low VOC cleaning formulation on the gear for sufficient time for the formulation to clean the gear, thereby providing a so cleaned gear.

A HARD SURFACE CLEANING COMPOSITION

The present invention relates to liquid aqueous detergent compositions comprising a surfactant system comprising a primary surfactant being anionic surfactant, a secondary surfactant being amphoteric surfactant and polyethylene oxide whilst the surfactant system is free of alkylbenzene sulphonates and derivatives thereof. The invention further relates to a method of cleaning a stainless-steel hard surface using the composition of the invention, as well as the use thereof.

A HARD SURFACE CLEANING COMPOSITION

The present invention relates to liquid aqueous detergent compositions comprising a surfactant system comprising a primary surfactant being anionic surfactant and a secondary surfactant being amphoteric surfactant whilst the surfactant system is free of alkylbenzene sulphonates and derivatives thereof. The invention further relates to a method of cleaning a stainless-steel hard surface using the composition of the invention, as well as the use thereof.

ZWITTERIONIC POLYMER-CONTAINING COMPOSITIONS FOR COATING METALLIC SURFACES, METHODS, AND ARTICLES
20200291240 · 2020-09-17 ·

The present disclosure is directed to compositions and methods for coating, particularly protecting and optionally cleaning, metallic surfaces, and articles containing such surfaces; wherein the compositions include a zwitterionic polymer including pendant zwitterionic moieties, an inorganic silicate, and water.

LIQUID PRODUCT FOR STAINLESS-STEEL CORROSION REMEDIATION

A concentrate aqueous composition for removing Type I and Type III rouge from various stainless-steel items. The liquid composition comprises oxalic acid, a phosphonic acid, and various amines. The use of an amine has been found to provide synergistic results in removal of the noted types of corrosion from various stainless-steel items that include medical instruments, machines, equipment, pipes, tools, mixing and storage vessels, and the like.

CONCENTRATED SOLID HARD SURFACE CLEANER
20200283701 · 2020-09-10 ·

A solid hard surface cleaning composition suitable for replacing liquid formulations while providing at least equivalent or enhanced cleaning performance, including at lower concentrations, is provided. The solid hard surface cleaning compositions include alkali metal carbonate alkalinity source(s), aminocarboxylic acid chelant(s), amphoteric surfactant(s), polyacrylate polymer(s) and anionic surfactant(s). The solid hard surface cleaning compositions can include additional functional ingredients, such as corrosion inhibitors. The solid hard surface cleaning compositions do not include hydroxide alkalinity and beneficially provide stable ready-to-use formulations that are safe for contact without the use of personal protective equipment (PPE) and are compatible with soft metals.