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US 2025/0084344 A1Published application
Alkaline cleaning compositions comprising a hydroxyphosphono carboxylic acid and methods of reducing metal corrosion
AssigneeEcolab USA Inc.
InventorsJennifer Stokes, Carter M. Silvernail, Paul Frazer Schacht, Anthony W. Erickson, Peter E. Reed
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Abstract
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.
Claims18
1-15. (canceled)
A method of making a hard surface cleaning composition comprising:
- combining a hydroxyphosphono carboxylic acid and an alkalinity source to form a cleaning composition;
- wherein the alkalinity source is between about 5 wt. % and about 99 wt. % (active) of the composition and comprises an alkali metal hydroxide;
- and
- wherein the hydroxyphosphono carboxylic acid is between about 0.01 wt. % to about 40 wt. % of the composition.
1 more element
Dependencies are inferred from the claim text.