No rinse quat/acid/ethoxylated alcohol disinfectant composition for food contact surfaces
AssigneeEcolab USA Inc.
InventorsDerrick Anderson, Kelly Anne Rightmire, Erik C. Olson
Life of this patent
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Abstract
No rinse, low pH food contact disinfecting and sanitizing compositions comprising one or more quaternary ammonium compounds in combination with an acid source are provided. The compositions include antimicrobial quaternary ammonium compounds such as alkyl dimethyl benzyl ammonium chlorides (ADBAC), alkyl dimethyl ethyl benzyl ammonium chlorides (ADEBAC), dialkyl dimethyl ammonium chlorides (DAAC), or a combination thereof together with an organic acid. The disinfecting and sanitizing compositions and methods of using the same provide enhanced microbial kill at an acidic pH and even at very low concentrations of the antimicrobial quaternary ammonium compound.
Claims15
A ready-to-use, food contact approved, acid sanitizing and cleaning composition comprising:
- A) a food contact approved amount of an antimicrobial quaternary ammonium compound, wherein the food contact approved amount is between about 300 ppm to about 400 ppm and wherein the antimicrobial quaternary ammonium compound has the formula 1:
- wherein R1-R4 are each one of an alkyl group having a C1-C16 chain length, a benzyl group, an alkyl benzyl group, or a combination thereof, and wherein X— is an anionic counterion;
- B) between about 100 ppm to about 500 ppm of an acid source;
- and
- C) a sheeting agent comprising an alcohol ethoxylate produced by ethoxylation of linear or branched aliphatic alcohols having a structure represented by the Formula:
- R—O—(CH2CH2O) n-H wherein R is a (C1-C12) alkyl group and n is an integer in the range of 10 to 50;
- wherein
- i) the composition has a pH of ≤about 4;
- ii) the antimicrobial quaternary ammonium provides no rinse disinfection at a temperature below about 120° F.;
- and
- iii) the composition is free of anionic surfactants.
A method of cleaning a food contact surface comprising contacting a food contact surface with a ready-to-use, food contact approved, acid sanitizing and cleaning composition comprising:
- A) a food contact approved amount of an antimicrobial quaternary ammonium compound, wherein the food contact approved amount is between about 300 ppm to about 400 ppm and wherein the antimicrobial quaternary ammonium compound has the formula 1:
- wherein R1-R4 are each one of an alkyl group having a C1-C16 chain length, a benzyl group, an alkyl benzyl group, or a combination thereof, and wherein X— is an anionic counterion;
- B) between about 100 ppm to about 500 ppm of an acid source;
- and
- C) a sheeting agent comprising an alcohol ethoxylate produced by ethoxylation of linear or branched aliphatic alcohols having a structure represented by the Formula:
- R—O—(CH2CH2O) n-H wherein R is a (C1-C12) alkyl group and n is an integer in the range of 10 to 50;
- wherein
- i) the composition has a pH of ≤about 4;
- ii) the antimicrobial quaternary ammonium provides no rinse disinfection at a temperature below about 120° F.;
- and
- iii) the composition is free of anionic surfactants.
A ready-to-use, food contact approved, acid sanitizing and disinfecting unit dose tablet comprising:
- A) a food contact approved amount of an antimicrobial quaternary ammonium compound, wherein the food contact approved amount is between about 300 ppm to about 400 ppm and wherein the antimicrobial quaternary ammonium compound has the formula 1:
- wherein R1-R4 are each one of an alkyl group having a C1-C16 chain length, a benzyl group, an alkyl benzyl group, or a combination thereof, and wherein X— is an anionic counterion;
- B) between about 100 ppm to about 500 ppm of an acid source;
- and
- C) a sheeting agent comprising an alcohol ethoxylate produced by ethoxylation of linear or branched aliphatic alcohols having a structure represented by the Formula:
- R—O—(CH2CH2O) n-H wherein R is a (C1-C12) alkyl group and n is an integer in the range of 10 to 50;
- and
- D) optionally a dissolution aid;
- wherein
- i) the antimicrobial quaternary ammonium provides no rinse disinfection at a temperature below about 120° F.;
- and
- ii) the composition is free of anionic surfactants.
Dependencies are inferred from the claim text.