US 2011/0237481 A1 · THICKENED OVEN CLEANER, ASSOCIATED CLEANERS, AND ASSOCIATED METHODS

Abstract

Cleaner compositions, associated cleaners, and associated methods are disclosed. The cleaner compositions are capable for use in making thickened cleaners that are capable of removing from vertical and inverted surfaces fresh, greasy soils and baked-on soils encountered in the food service industry. The cleaner compositions include one or more alkalinity sources, one or more chelants, one or more surfactants, one or more thickening agents, one or more buffers, and as a remainder, water. Cleaner compositions of the invention are substantially free of phosphates and have a low caustic content making them user and environmentally friendly. Yet the cleaners of the invention are surprisingly effective at removing tenacious baked-on soils encountered in the food service industry. Compositions of the invention have a viscosity of about 700 cps and are applied using a foaming or misting dispenser. The one or more alkalinity sources may be present in an amount sufficient to provide a free alkalinity (expressible as Na2O) of less than about 1.0 wt % and a total alkalinity (expressible as Na2O) of less than about 2.0 wt %, based on the total weight of the cleaner concentrate. The one or more chelants may be present in an amount up to about 5.0 wt %.

Claims21

Dependent claims

A method for removing one or more soils from a surface comprising the steps of:

A) formulating a ready to use cleaner composition comprising:
i) one or more alkalinity sources present in an amount sufficient to provide a free alkalinity (expressed as Na2O) of less than about 1.0 wt %, based on the total weight of the cleaner composition, and a total alkalinity (expressed as Na2O) of less than about 2.0 wt %, based on the total weight of the cleaner composition;
ii) chelating agent present in an amount of at least about 0.1 wt %
iii) from about 0.1 wt % to about 3.0 wt % of one or more surfactants;
iv) from about 0.1 wt % to about 2.0 wt % thickening agent in order to provide a viscosity of the cleaner composition of at least 300 cps;
v) the remainder to 100 wt % of water, based on the total weight of the cleaner composition;
and
vi) substantially free of phosphorous;
B) communicating the cleaner with the soiled surface wherein the one or more soils originate from a fat and/or oil for at least a sufficient amount of time to allow the cleaner to interact with the soil of the soiled surface;
C) removing any residue from the surface thereby cleaning the surface.

7 more elements

A cleaner composition, comprising:

i) one or more alkalinity sources selected from the group consisting essentially of alkanolamines and alkali metal hydroxides present in an amount sufficient to provide a free alkalinity (expressed as Na2O) of less than about 1.0 wt %, based on the total weight of the cleaner composition, and a total alkalinity (expressed as Na2O) of less than about 2.0 wt %, based on the total weight of the cleaner composition;
ii) disodium ethanol diglycine present in an amount of at least about 0.1 wt %;
iii) from about 0.1 wt % to about 3.0 wt % of one or more surfactants selected from the group consisting essentially of an alcohol ethoxylate, an alkyl amphoacetate, and an alkyl sulfate;
iv) from about 0.1 wt % to about 2.0 wt % polyacrylic acid;
v) one more buffers in an amount sufficient to substantially maintain a pH in the range of from about 8 to about 14;
vi) from about 0 wt % to about 1.5 wt % of one or more hydrotropes;
vii) the remainder to 100 wt % of water, based on the total weight of the cleaner composition;
and
wherein the composition is substantially free of phosphate.

6 more elements

Dependencies are inferred from the claim text.

Thickened oven cleaner, associated cleaners, and associated methods

Life of this patent

Thickened oven cleaner, associated cleaners, and associated methods

Life of this patent

Abstract

Claims21