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US 11,845,913 B2Granted
Non-corrosive oven degreaser concentrate
AssigneeEcolab USA Inc.
InventorsNathan D. Peitersen, Gregory G. Griese
Life of this patent
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Abstract
The invention relates to a non-corrosive degreasing concentrate and ready to use formulation. In particular, non-corrosive compositions capable of removing polymerized grease as effectively as some alkali metal hydroxide (i.e. caustic) based degreasers without requiring the use of personal protective equipment are disclosed.
Claims17
A non-corrosive degreaser composition for removing polymerized fat soil comprising:
- (i) about 1 wt-% to about 10 wt-% of an alkanol amine alkaline source comprising triethanolamine;
- (ii) optionally, about 1 wt-% to about 5 wt-% of a second alkanol amine alkaline source comprising monoethanolamine, diethanolamine, or a combination thereof;
- (iii) about 1 wt-% to about 25 wt-% of a surfactant comprising a sulfate, sulfonate, or a combination thereof;
- and
- (iv) about 1 wt-% to about 13.1 wt-% solvent comprising benzyl alcohol;
- wherein the composition has a pH less than 10;
- and
- (v) about 0.01 wt-% to about 10 wt-% of one or more additives comprising a dye, fragrance, corrosion inhibitor, enzyme, thickener, polymer, inorganic particle, additional surfactant;
- the remainder comprising water;
- wherein the composition does not include ester solvents, nonionic surfactants and other alkaline sources besides the alkanol amine alkaline source;
- and
- wherein the composition is non-corrosive to aluminum.
9 more elements
Dependencies are inferred from the claim text.