# US 2019/0169541 A1 · Development of extensional viscosity for reduced atomization for diluted concentrate sprayer applications

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- Number: US 2019/0169541 A1
- Document ID: US20190169541A1
- Status: Published application
- Kind: A1
- Application number: 16/273,338
- Filed: 2019-02-12
- Published: 2019-06-06
- Earliest claimed: 2011-09-21
- Assignees: Ecolab USA Inc.
- Applicants: Ecolab USA Inc.
- Inventors: Charles A. Hodge; Christopher M. McGuirk; Mark D. Levitt; Dale Larson; Elizabeth R. Kiesel; Amanda R. Blattner
- Web page: https://patentgrep.com/patent/US20190169541A1

## CPC

- C11D 3/2079: {Monocarboxylic acids-salts thereof}
- B08B 3/02: Cleaning by the force of jets or sprays
- C11D 1/04: Carboxylic acids or salts thereof (soap C11D9/00)
- C11D 1/62: Quaternary ammonium compounds
- C11D 3/042: {Acids}
- C11D 3/2044: {linear}
- C11D 3/2065: {Polyhydric alcohols}
- C11D 3/2086: {Hydroxy carboxylic acids-salts thereof}
- C11D 3/33: Amino carboxylic acids
- C11D 3/3409: {Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates}
- C11D 3/3707: {Polyethers, e.g. polyalkyleneoxides}
- C11D 3/3765: {in liquid compositions}
- C11D 3/3773: {in liquid compositions}
- C11D 11/0094: {Process for making liquid detergent compositions, e.g. slurries, pastes or gels}
- C11D 17/0026: {Structured liquid compositions, e.g. liquid crystalline phases or network containing non-Newtonian phase}
- C11D 17/0043: {For use with aerosol devices}
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL

## Abstract

A non-Newtonian concentrate composition includes a sensitizer or irritant, a surfactant, an anti-mist component and optionally a stability component. Example sensitizers and irritants include, but are not limited to, acids, quaternary compounds, and amines, and example anti-mist components include, but are not limited to, polyethylene oxide and polyacrylamide.

## Claims

### Claim 1

A non-Newtonian aqueous concentrate composition comprising:
at least one acid;
at least one surfactant; and
at least one anti-mist component selected from the group consisting of polyethylene oxide, polyacrylamide and polyacrylate, wherein the composition is a non-Newtonian having a viscosity of less than about 40 centipoise.

### Claim 2 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the polyethylene oxide has a molecular weight between about 3,000,000 and about 7,000,000.

### Claim 3 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, further comprising at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 4 (depends on 3)

The non-Newtonian aqueous concentrate composition of claim 3, wherein the solvent is selected from the group consisting of propylene glycol and glycerine.

### Claim 5 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, further comprising at least two stability components selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 6 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the acid includes at least one of phosphoric acid, citric acid, lactic acid, and methane sulfonic acid.

### Claim 7 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the concentrate composition has a pH of 4.5 or lower.

### Claim 8 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, further comprising water, and wherein water constitutes between about 45% and about 75% by weight of the aqueous concentrate composition, the at least one acid constitutes between about 7% and about 35% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 1.5% and about 12% by weight of the aqueous concentrate composition, and the anti-mist component is selected from the group consisting of polyethylene oxide, polyacrylamide and combinations thereof and constitutes between about 0.01% and about 0.3% by weight of the aqueous concentrate composition.

### Claim 9 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1 and further comprising water, and wherein water constitutes between about 45% and about 75% by weight of the aqueous concentrate composition, the at least one acid constitutes between about 7% and about 35% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 1.5% and about 12% by weight of the aqueous concentrate composition, and the anti-mist component is polyacrylate and constitutes between about 0.5% and about 20% by weight of the aqueous concentrate composition.

### Claim 10 (depends on 8)

The non-Newtonian aqueous concentrate composition of claim 8, further comprising between about 0.01 and about 10.0% by weight propylene glycol.

### Claim 11 (depends on 8)

The non-Newtonian aqueous concentrate composition of claim 8, further comprising between about 0.05% and 10% by weight of at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 12 (depends on 11)

The non-Newtonian aqueous concentrate composition of claim 11, wherein the stability component is dicarboxymethyl glutamic acid tetrasodium salt (GLDA).

### Claim 13 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, further comprising water, wherein water constitutes between about 25% and about 50% by weight of the aqueous concentrate composition, the at least one acid constitutes between about 10% and about 75% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 1.3% and about 12% by weight of the aqueous concentrate composition, and the anti-mist component is selected from the group consisting of polyethylene oxide, polyacrylamide and combinations thereof and constitutes between about 0.01% and about 0.3% by weight of the aqueous concentrate composition.

### Claim 14 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1 and further comprising water, wherein water constitutes between about 25% and about 50% by weight of the aqueous concentrate composition, the at least one acid constitutes between about 10% and about 75% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 1.3% and about 12% by weight of the aqueous concentrate composition, and the anti-mist component is polyacrylate and constitutes between about 0.5% and about 20% by weight of the aqueous concentrate composition.

### Claim 15 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the at least one acid includes a fatty acid and constitutes between about 0.5% and about 15% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 0.1% and about 30% by weight of the aqueous concentrate composition, and the anti-mist component is selected from the group consisting of polyethylene oxide, polyacrylamide and combinations thereof and constitutes between about 0.01% and about 0.3% by weight of the aqueous concentrate composition.

### Claim 16 (depends on 15)

The non-Newtonian aqueous concentrate composition of claim 15, wherein the fatty acid is selected from the group consisting of: hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, and dodecanoic acid.

### Claim 17 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the at least one acid includes a fatty acid and constitutes between about 0.5% and about 15% by weight of the aqueous concentrate composition, the at least one surfactant constitutes between about 0.1% and about 30% by weight of the aqueous concentrate composition, and the anti-mist component is polyacrylate and constitutes between about 0.5% and about 20% by weight of the aqueous concentrate composition.

### Claim 18 (depends on 17)

The non-Newtonian aqueous concentrate composition of claim 17, wherein the fatty acid is selected from the group consisting of: hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, and dodecanoic acid.

### Claim 19 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the composition is a sprayable composition by utilizing a spray bottle device comprising a spray head and a container attached to the spray head.

### Claim 20 (depends on 1)

The non-Newtonian aqueous concentrate composition of claim 1, wherein the composition is a sprayable composition by utilizing a low velocity sprayer.

### Claim 21

A method of forming a use solution, the method comprising:
mixing water with a concentrate aqueous composition to create the use solution, the concentrate aqueous composition comprising:
at least one surfactant; and
at least one anti-mist component selected from the group consisting of polyethylene oxide and polyacrylamide, wherein the concentrate aqueous composition is mixed with sufficient water to form a use solution having between about 0.002% and about 0.006% by weight anti-mist component.

### Claim 22 (depends on 21)

The method of claim 21, wherein the concentrate aqueous composition further comprising at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 23 (depends on 21)

The method of claim 21, wherein the concentrate aqueous composition further includes between about 0.01% and about 10.0% by weight propylene glycol.

### Claim 24 (depends on 21)

The method of claim 21, wherein concentrate aqueous composition includes at least one acid and the use solution has a pH of about 4.5 or less.

### Claim 25 (depends on 24)

The method of claim 24, wherein the acid includes a fatty acid selected from the group consisting of: hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, and dodecanoic acid.

### Claim 26 (depends on 21)

The method of claim 21, wherein the surfactant includes a quaternary ammonium compound.

### Claim 27 (depends on 21)

The method of claim 21, wherein the concentrate aqueous composition includes a dispersant.

### Claim 28 (depends on 21)

The method of claim 21, wherein the surfactant includes at least one nonionic surfactant and at least one anionic surfactant

### Claim 29

A method of forming a use solution, the method comprising:
mixing water with a concentrate aqueous composition to create the use solution, the concentrate aqueous composition comprising:
at least one surfactant; and
a polyacrylate, wherein the concentrate aqueous composition is mixed with sufficient water to form a use solution having between about 0.2% and about 5% by weight polyacrylate.

### Claim 30 (depends on 29)

The method of claim 29, wherein the concentrate aqueous composition further comprising at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 31 (depends on 29)

The method of claim 29, wherein the concentrate aqueous composition further includes between about 0.01% and about 10.0% by weight propylene glycol.

### Claim 32 (depends on 29)

The method of claim 29, wherein concentrate aqueous composition includes at least one acid and the use solution has a pH of about 4.5 or less.

### Claim 33 (depends on 29)

The method of claim 29, wherein the acid includes a fatty acid selected from the group consisting of: hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, and dodecanoic acid.

### Claim 34 (depends on 29)

The method of claim 29, wherein the surfactant includes a quaternary ammonium compound.

### Claim 35 (depends on 29)

The method of claim 29, wherein the surfactant includes at least one nonionic surfactant and at least one anionic surfactant.

### Claim 36

A method of using a sprayable composition, the method comprising:
dispensing an aqueous sprayable composition as droplets having a mean size of greater than 50 microns using a low velocity sprayer, the aqueous sprayable composition comprising at least one surfactant and at least one surfactant and between about 0.002% and about 0.006% by weight of an anti-mist component selected from the group consisting of polyethylene oxide, polyacrylamide and combinations thereof.

### Claim 37 (depends on 36)

The method of claim 36, wherein dispensing the aqueous sprayable composition comprises dispensing the aqueous sprayable composition as droplets, wherein less than 0.01% of the droplets dispensed have a size less than 11 microns.

### Claim 38 (depends on 36)

The method of claim 36, wherein the aqueous sprayable composition further comprises at least one acid and the aqueous sprayable composition has a pH of 4.5 or less.

### Claim 39 (depends on 38)

The method of claim 38, wherein the acid includes a fatty acid.

### Claim 40 (depends on 36)

The method of claim 36, wherein the aqueous sprayable composition further comprises a quaternary ammonium compound.

### Claim 41 (depends on 36)

The method of claim 36, wherein the aqueous sprayable composition further comprises at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 42 (depends on 36)

The method of claim 36, wherein the concentrate aqueous composition includes a dispersant.

### Claim 43 (depends on 36)

The method of claim 36, wherein the surfactant includes at least one nonionic surfactant and at least one anionic surfactant.

### Claim 44

A method of using a sprayable composition, the method comprising:
dispensing an aqueous sprayable composition as droplets having a mean size of greater than about 50 microns using a low velocity sprayer, the aqueous sprayable composition comprising at least one surfactant and between about 0.2% and about 5.0% by weight of a polyacrylate.

### Claim 45 (depends on 44)

The method of claim 44, wherein dispensing the aqueous sprayable composition comprises dispensing the aqueous sprayable composition as droplets, wherein less than 0.01% of the droplets dispensed have a size less than 11 microns.

### Claim 46 (depends on 44)

The method of claim 44, wherein the aqueous sprayable composition further comprises at least one acid and the aqueous sprayable composition has a pH of 4.5 or less.

### Claim 47 (depends on 46)

The method of claim 46, wherein the acid includes a fatty acid.

### Claim 48 (depends on 44)

The method of claim 44, wherein the aqueous sprayable composition further comprises a quaternary ammonium compound.

### Claim 49 (depends on 44)

The method of claim 44, wherein the aqueous sprayable composition further comprises at least one stability component selected from the group consisting of antioxidants, chelants, and solvents.

### Claim 50 (depends on 44)

The method of claim 44, wherein the surfactant includes at least one nonionic surfactant and at least one anionic surfactant.