Reduced residue hard surface cleaner comprising hydrotrope

• US 6,281,178 B1
• Filed: 10/01/1999
• Issued: 08/28/2001
• Est. Priority Date: 02/14/1996
• Status: Expired due to Term

• Current Assignee: Stepan Company
• Original Assignee: Stepan Company
• Inventors: Malik, Arshad, Ryklin, Irma
• Primary Examiner(s): Delcotto, Gregory
• Assistant Examiner(s): Petruncio, John M
• Application Number:
  US09/410,724
• Time in Patent Office: 697 Days
• Field of Search: 510/180, 510/121, 510/182, 510/179, 510/163
• US Class Current: 510/181
• CPC Class Codes: C11D 1/04 Carboxylic acids or salts thereof soap C11D9/00
• CPC Class Codes: C11D 1/22 derived from aromatic compounds
• CPC Class Codes: C11D 1/24 containing ester or ether groups directly attached to the nucleus
• CPC Class Codes: C11D 1/28 Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
• CPC Class Codes: C11D 1/29 Sulfates of polyoxyalkylene ethers
• CPC Class Codes: C11D 1/345 Phosphates or phosphites
• CPC Class Codes: C11D 1/37 Mixtures of compounds all of which are anionic
• CPC Class Codes: C11D 1/526 Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 are polyalkoxylated
• CPC Class Codes: C11D 1/662 Carbohydrates or derivatives
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/75 Amino oxides
• CPC Class Codes: C11D 1/79 Phosphine oxides
• CPC Class Codes: C11D 1/90 Betaines
• CPC Class Codes: C11D 1/92 Sulfobetaines ; Sulfitobetaines
• CPC Class Codes: C11D 1/94 Mixtures with anionic, cationic or non-ionic compounds
• CPC Class Codes: C11D 11/0094 Process for making liquid detergent compositions, e.g. slurries, pastes or gels
• CPC Class Codes: C11D 3/3409 Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates
• CPC Class Codes: C11D 3/3418 Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or sulfates

Abstract

Disclosed are aqueous hard surface cleaning compositions comprising detergent surfactant and, optionally, detergent builder and a hydrotrope in an amount sufficient to prevent filming and/or streaking after a surface is cleaned with the compostions.

Claims

1. In a composition for cleaning hard surfaces comprising at least one detergent surfactant and at least one detergent builder where the composition is free from organic solvents, the improvement comprising a hydrotrope in a ratio of the weight of hydrotrope to the weight of solids exclusive of hydrotrope of about at least about 1:

3.5 and wherein the ratio of the weight of hydrotrope to the weight of builder is about 1;

1.8 to 4;

1.

2. A composition according to claim 1, wherein the ratio of the weight of hydrotrope to the weight of all solids exclusive of builder is about 1:

3.5 to 4;

1.

3. A composition according to claim 2, wherein the hydrotrope is selected from the group consisting of benzene sulfonates, naphthalene sulfonates, short chain alkyl benzene sulfonates, medium chain (C_6-8) alkyl sulfonates, alkylpolyglucosides, medium chain (C₆-C₁₀) alkyl dimethyl amine oxides, alkyl diphenyloxide disulfonates, and phosphate ester hydrotropes.

4. A composition according to claim 2, wherein the hydrotrope is a xylene sulfonate, an alkyl sulfonate having an average of from about 6-8 carbon atoms in the alkyl portion, or an alkylpolyglycoside having an average of about 10 carbon atoms in the alkyl portion.

7. A hard surface cleaning composition according to claim 1, where the composition comprises from about 0.01-5% by weight of a quaternary ammonium germicide, from about 0.5 to 5% by weight of an alkyl polyglucoside, and from about 0.5 to 5% by weight of a C_10-16 amine oxide.

8. A composition according to claim 7, wherein the composition further comprises ethylenediamine tetraacetate.

9. A composition according to claim 2, wherein the hydrotrope is an alkylpolyglucoside having an average of about 10 carbon atoms in the alkyl portion.

5. A method for preparing a hard surface cleaner composition capable of cleaning a hard surface substantially without providing the surface with a residue visible as a film or streaks comprising:

(a) preparing an aqueous detergent base comprising at least one surfactant and at least one builder where the detergent base is free from organic solvents; and

(b) adding to the aqueous base a hydrotrope in a ratio of the weight of hydrotrope to the combined weight of other solids of at least about 1;

3.5.

6. A method according to claim 5, wherein the hydrotrope is a xylene sulfonate, an alkyl sulfonate having from an average of about 6-8 carbon atoms in the alkyl portion, or an alkylpolyglycoside having an average of about 10 carbon atoms in the alkyl portion.

10. A liquid hard-surface cleaning composition free from organic solvents and comprising:

(a) from 0.1% to 40% of an anionic detergent surfactant selected from the group consisting of salts linear alkyl benzene sulfonic acid, salts of coconut alkyl ether sulfate containing 3 moles of ethylene oxide, mono-salts of alpha-sulfonated alkyl esters of fatty acids;

di-salts alpha-sulfonated alkyl esters of fatty acids, the sodium and potassium salts of coconut fatty acids, zwitterionic surfactants, betaine surfactants, sulfobetaine surfactants, and mixtures thereof;

(b) a hydrotrope selected from the group consisting of benzene sulfonates, xylene sulfonates, naphthalene sulfonates, short chain alkyl benzene sulfonates, medium chain (C6-8) alkyl sulfonates, medium chain (C6-C11) alkyl sulfates, medium chain (C6-C10) alkyl dimethyl amine oxides, and alkyl diphenyloxide disulfonates, medium chain (C_6-11) alkyl ether (up to 10 moles of ethylene oxide) sulfates, polymeric hydrotropes, an alkylpolyglycoside having an average of about 10 carbon atoms in the alkyl portion, and mixtures thereof;

(c) from 0.01% to 30% of a deterrent builder; and

(d) the balance water;

the amount of hydrotrope producing a weight ratio of hydrotrope to solids exclusive of hydrotrope of at least 1;

3.5; and

wherein the ratio of hydrotrope to detergent builder is from 1;

1.8 to 4;

1.

11. A liquid hard-surface cleaning composition according to claim 10, where the detergent builder selected from the group consisting of alkali metal carbonates, borates, pyrophosphates, orthophosphates, polyphosphates, phosphonates, bicarbonates, polyacetates, carboxylates, polycarboxylates, polyacetyl carboxylates, carboxymethyloxysuccinates, carboxymethyloxymalonates, ethylene diamine-N,N-discuccinic acid salts, polyepoxysuccinates, oxydiacetates, triethylene tetramine hexacetic acid salts, N-alkyl imino diacetates or dipropionates, alpha sulpho-fatty acid salts, dipicolinic acid salts, oxidised polysacchararides, polyhydroxysulphonates, silicates;

sodium, potassium, ammonium, substituted ammonium tripolyphosphate, phosphates, and hexametaphosphates;

sodium sesquicarbonate, sodium carbonate, sodium tetraborate, sodium and potassium pyrophosphate;

sodium and ammonium bicarbonate;

alkali metal, ammonium or substituted ammonium aminocarboxylates;

sodium and potassium ethylene diamine tetraacetate;

sodium and potassium N-(2-hydroxyethyl)-ethylene and diamine triacetates;

sodium and potassium nitrilotriacetates;

sodium, potassium and triethyl ammonium N-(2-hydroxyethyl)-nitrilodiacetates;

alkali metal, ammonium and alkanol ammonium salts of citric acid;

alkali metal salts of phytic acid;

polyphosphonates;

sodium and potassium salts of ethane-1-hydroxy-1,1-diphosphonic acid;

sodium and potassium salts of methylene diphosphonic acid;

sodium and potassium salts of ethane-1,1,2-triphosphonic acid;

alkali metal salts of ethane-2-carboxy-1,1-diphosphonic acid;

hydroxy methane diphosphonic acid;

carbonyl diphosphonic acid;

ethane-1-hydroxy-1, 1,2-triphosphonic acid;

ethane-1-hydroxy-1,1,2-triphosphonic acid;

propane-1,1,3,3-tetraphosphonic acid;

propane-1,1,2,3-tetraphosphonic acid; and

propane-1,2,2,3-tetraphosphonic acid;

or water-soluble salts of polycarboxylate polymers and copolymers;

or mixtures thereof.

12. A low-filming, low-streaking aqueous liquid hard-surface cleaning composition according to claim 11, wherein the amount of the surfactant is from about 1% to 10% by weight and the amount of the detergent builder is from about 0% to 20% by weight.

13. A liquid hard-surface cleaning composition according to claim 12, wherein the amount of surfactant in the composition is from about 2% to 5% by weight of the composition.

14. A method for cleaning and disinfecting a soiled hard surface, comprising contacting the soiled hard surface for a sufficient time to remove at least part of the soil therefrom with a liquid hard-surface cleaning composition according to claim 10.

15. An aqueous liquid hard-surface cleaning composition free from organic solvents and comprising:

(a) from about 1 to 10 weight % of a detergent surfactant selected from

sodium linear alkyl benzene sulfonate (LAS);

salts of coconut alkyl ether sulfate containing 3 moles of ethylene oxide;

the adducts of primary, secondary, and tertiary alcohols having a range of alkyl chain lengths of from 11 to 15 carbon atoms and an average of 2 to 12 ethylene oxide moieties;

the sodium and potassium salts of coconut fatty acids (coconut soaps);

condensation products of a straight or branched chain alcohol containing from about 8 carbons to about 16 carbon atoms and having an average carbon chain length of from about 8 to about 12 carbon atoms with from about 2 to about 8 moles of ethylene oxide per mole of alcohol;

an amide having the formula;

 

wherein R is a straight-chain alkyl group containing from about 7 to about 15 carbon atoms and having an average carbon chain length of from about 9 to about 13 carbon atoms and wherein each R¹ is a hydroxy alkyl group containing from 1 to about 3 carbon atoms or a hydroxyalkyl group ethoxylated with up to about 6 moles of ethylene oxide;

zwitterionic surfactants;

or

phosphine oxide surfactants;

or mixtures thereof;

(b) a hydrotrope selected from the group consisting of benzene sulfonates, xylene sulfonates, naphthalene sulfonates, short chain alkyl benzene sulfonates, medium chain (C_6-8) alkyl sulfonates, medium chain (C₆-C₁₀) alkyl dimethyl amine oxides, and alkyl diphenyloxide disulfonates;

(c) from 0.01% to 30% of a detergent builder; and

(d) the balance water;

the amount of hydrotrope producing a weight ratio of hydrotrope to solids exclusive of hydrotrope of at least about 1;

3.5; and

wherein the ratio of hydrotrope to detergent builder is from 1;

1.8 to 4;

1.