Limescale and soap scum removing composition containing methane sulfonic acid
AssigneeEcolab Inc.
InventorsBarbara G. Choczaj, Michael J. Bartelme, Steven E. Lentsch, Katherine O. Vetter, Marvin C. Trulsen, Erik C. Olson, Mark D. Levitt
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Abstract
A cleaning composition including an acid component is provided, along with methods for using the composition to remove soil from hard surfaces. The concentrate cleaning composition includes between about 1 and about 70 wt % of methane sulfonic acid, about 0.1 to about 15 wt % of a surfactant component, up to about 90% of a solvent and other adjuvants.
Claims21
A method of removing soil from a hard surface, the method comprising:
- (a) contacting the hard surface with a solution comprising a concentrate cleaning composition, the concentrate cleaning composition comprising:
- (i) about 1 to about 70 wt % of a short chain alkane sulfonic acid composition;
- (ii) about 0.1 to about 20 wt % of a surfactant;
- and
- (iii) up to about 90% of a solvent;
- and
- (b) rinsing the hard surface.
A method of removing soil from a surface covered with a layer made by physical vapor deposition, the method comprising:
- (a) contacting a use solution to the surface, the use solution comprising between about 0.01 and about 30% by weight of methane sulfonic acid to the surface;
- and
- (b) rinsing the surface covered with the layer.
A concentrate cleaning composition for removing soil from a hard surface, comprising:
- (a) about 1 to about 70 wt % of methane sulfonic acid;
- (b) about 0.1 to about 15 wt % of a surfactant;
- and
- (c) up to about 90% of a solvent.
Dependencies are inferred from the claim text.