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US 6,503,875 B1Granted
Stabilized oxalic acid sour
AssigneeEcolab Inc.
InventorsLynne Ann Olson, Minyu Li
Life of this patent
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AssigneeEcolab Inc.
InventorsLynne Ann Olson, Minyu Li
Estimating the term…
The present invention provides a composition that is suitable for lowering the alkalinity of a textile. The composition is also suitable for cleansing or treating a hard surface or a porous surface. The composition exhibits stability as a solution or as a dispersion at a temperature of about 0° C. to about 8° C. The composition includes a carrier, an acid, and a quaternary phosphonium compound, or a suitable salt or solvate thereof. The present invention also provides a method for cleansing or treating a surface. The method includes contacting the surface with an effective amount of a composition of the present invention to provide a treated or cleansed surface having a pH below about 7.5. The present invention also provides a method for preparing a composition of the present invention. The method includes combining the carrier, the acid, and the quaternary phosphonium compound, or a suitable salt or solvate thereof, in any order, to provide the composition.
A composition composition comprising a carrier, an acid, and 2 to 10 wt. % of a quaternary phosphonium compound, or a suitable salt or solvate thereof;
A method for preparing a composition comprising a carrier, an acid, and 2 to 10 wt. % of a quaternary phosphonium compound, or a suitable salt or solvate thereof;
Dependencies are inferred from the claim text.