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US 2014/0174480 A1Published application
Citrate salt bathroom cleaners
AssigneeEcolab USA Inc.
InventorsDale Curtis Larson, III, Mark Dennis Levitt
Life of this patent
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Abstract
A hard surface cleaning composition, namely a bathroom cleaning composition, using fully neutralized ethanolamine citrate salts is disclosed. The cleaning composition is unexpectedly safe to use, environmentally-friendly and efficacious for removal of soap scum and water hardness stains at mildly acidic and/or alkaline pHs. Methods of using the same are disclosed.
Claims20
A cleaning composition comprising:
- from about 5 wt-% to about 65 wt-% of a fully neutralized ethanolamine citrate salt,
- wherein said composition provides improved cleaning performance compared to sodium citrate or another alkali metal citrate at an equivalent pH.
A cleaning composition comprising:
- from about 5 wt-% to about 65 wt-% of citric acid;
- and
- from about 0.1 wt-% to about 50 wt-% of an ethanolamine neutralizing agent,
- wherein said composition generates in-situ a fully neutralized ethanolamine citrate salt.
1 more element
A method for cleaning bathroom surfaces and/or other hard surfaces comprising:
- contacting a soiled surface for a period of time sufficient to remove hard water soils and/or soap scum stains with an aqueous composition comprising from about 0.5 wt-% to about 65 wt-% of a fully neutralized ethanolamine citrate salt;
- and
- removing said soils from said surface.
Dependencies are inferred from the claim text.