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US 2021/0340464 A1Published application
Low foam cleaning compositions
AssigneeEcolab USA Inc.
InventorsDerrick Anderson, Victor Fuk-Pong Man, Erik C. Olson
Life of this patent
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Abstract
The disclosure relates to low foam cleaning compositions comprising quaternary ammonium compounds, as well as, methods of manufacturing and methods of using the low foam cleaning compositions. Beneficially the cleaning compositions are compatible with cleaning methods and apparatuses requiring low foam, including, but not limited to, machine warewash and clean-in-place. The cleaning compositions are particularly suitable for low temperature sanitizing applications.
Claims20
A cleaning composition comprising:
- a quaternary ammonium compound;
- a polycarboxylic acid and/or salt thereof;
- wherein the polycarboxylic acid has at least two pKa values, and wherein each of the pKa values is less than about 7.
A method of cleaning an article comprising:
- contacting the article with a low foam cleaning composition comprising a quaternary ammonium compound;
- a polycarboxylic acid and/or salt thereof, wherein the polycarboxylic acid has at least two pKa values, and wherein each of the pKa values is less than about 7.
Dependencies are inferred from the claim text.