# US 10,370,541 B2 · Emulsion-based latex aerosol paint

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- Number: US 10,370,541 B2
- Document ID: US10370541B2
- Status: Granted
- Kind: B2
- Application number: 15/463,634
- Filed: 2017-03-20
- Published: 2017-09-21
- Granted: 2019-08-06
- Earliest claimed: 2016-03-18
- Assignees: The Sherwin-Williams Company
- Applicants: The Sherwin-Williams Company
- Inventors: Joshua Halstead
- Web page: https://patentgrep.com/patent/US10370541B2

## CPC

- C09D 5/021: {Aerosols (aerosol compositions C09K3/30)}
- C09D 5/027: {Dispersing agents (anti-settling agents C09D7/45)}
- C09D 7/20: Diluents or solvents
- C09D 7/45: Anti-settling agents
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)

## Abstract

An emulsion-based latex aerosol paint comprises 5-50 weight percent of one or more hydrocarbon solvents, 0.05-10 weight percent of a surfactants with a Hydrophilic-Lipophilic Balance value of 4-10, 10-70 weight percent of a water-based coating emulsified into a mixture of the one or more solvents and the one or more surfactants. The emulsion-based latex aerosol paint may be additionally charged with a hydrocarbon propellant at a level of 5 to 50 weight percent. The hydrocarbon propellant may be selected from propane, butane, isobutene and mixtures thereof. A method of making an emulsion-based latex aerosol paint comprises providing one or more aliphatic solvents, adding one or more surfactants to the one or more aliphatic solvents to provide a solvent/surfactant mixture, adding a water-based coating to the solvent/surfactant mixture and emulsifying the water based coating in the solvent surfactant mixture to provide a water-based coating emulsion, and placing the water-based coating emulsion in a delivery system utilizing a hydrocarbon propellant.

## Claims

### Claim 1

An emulsion-based latex aerosol paint comprising:
25 percent to 45 percent by weight of a water-based coating emulsion;
5 percent to 20 percent by weight of water;
30 percent to 45 percent by weight of one or more hydrocarbon solvents;
0.05 percent to 10 percent by weight of one or more surfactants with a Hydrophilic-Lipophilic Balance value of 4-10; and
10 percent to 20 percent by weight of a hydrocarbon propellant.

### Claim 2 (depends on 1)

The emulsion-based latex aerosol paint of claim 1, comprising 15 percent by weight of the hydrocarbon propellant.

### Claim 3 (depends on 2)

The emulsion-based latex aerosol paint of claim 2, wherein the hydrocarbon propellant is selected from the group consisting of propane, butane, isobutene and mixtures thereof.

### Claim 4 (depends on 2)

The emulsion-based latex aerosol paint of claim 2, wherein the one or more hydrocarbon solvents are selected from the group consisting of one or more aliphatic hydrocarbons, one or more aromatic hydrocarbons, and mixtures thereof.

### Claim 5 (depends on 4)

The emulsion-based latex aerosol paint of claim 4, wherein the one or more aliphatic hydrocarbons comprise C-5 to C-20 alkanes.

### Claim 6 (depends on 2)

The emulsion-based latex aerosol paint of claim 2, wherein the one or more hydrocarbon solvents are selected from the group consisting of VM & P Naphtha, mineral spirits, n-hexane, and mixtures thereof.

### Claim 7 (depends on 6)

The emulsion-based latex aerosol paint of claim 6, comprising:
35 percent by weight of the water-based coating emulsion;
14 percent by weight of the water;
35 percent by weight of the one or more hydrocarbon solvents selected from the group consisting of VM & P Naphtha, mineral spirits, n-hexane, and mixtures thereof;
1 percent by weight of the one or more surfactants with a Hydrophilic-Lipophilic Balance value of 4-10; and
wherein the water-based coating emulsion comprises latex paint.

### Claim 8 (depends on 7)

The emulsion-based latex aerosol paint of claim 7, wherein the emulsion-based latex aerosol paint comprises 10 weight percent mineral spirits, 20 weight percent VM & P Naphtha and 5 weight percent n-hexane, to provide said 35 percent by weight of the one or more hydrocarbon solvents.

### Claim 9 (depends on 1)

The emulsion-based latex aerosol paint of claim 1, comprising:
35 percent by weight of the water-based coating emulsion;
14 percent by weight of the water;
35 percent by weight of the one or more hydrocarbon solvents;
1 percent by weight of the one or more surfactants with a Hydrophilic-Lipophilic Balance value of 4-10; and
15 percent by weight of the hydrocarbon propellant
wherein the water-based coating emulsion comprises latex paint.
