IP Library › Granted Patent US 8,722,609
Granted Patent B2
US 8,722,609 · App. 12/419,145 · Granted May 13, 2014

Limescale and soap scum removing composition containing methane sulfonic acid

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Quick Facts
Patent No.
US 8,722,609
App. No.
12/419,145
Granted
May 13, 2014
Kind
B2
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.

Claims (9)

1. A concentrate cleaning composition for removing soil from a hard surface, consisting of:

(a) about 1 to about 70 wt % of methane sulfonic acid;

(b) about 0.1 to about 15 wt % of a surfactant;

(c) up to about 90% of a solvent;

(d) substantially free of phosphorous-containing compounds;

(e) about 5 to about 20 wt % octanoic acid and linear alkylbenzene sulfonate; and

(f) the cleaning composition is effective for removing limescale from a hard surface.

2. The composition of claim 1 , wherein the composition comprises less than about 10% active methane sulfonic acid.

3. The composition of claim 2 , wherein the composition comprises less than about 6% active methane sulfonic acid.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2021
From: ECOLAB, INC.
To: ECOLAB USA INC.
Reel/Frame 056988/0177 →