IP Library Granted Patent US 11,708,502
Granted Patent B2
US 11,708,502 · App. 16/011,164 · Granted Jul 25, 2023

Paint remover composition and method of making

Inventors: Charles L. Hawes (Cordova, TN); Tim Teague (Nesbit, MS)
Assignee: W.M. Barr & Company, Inc.
C09D9/005C09K3/30
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Quick Facts
Patent No.
US 11,708,502
App. No.
16/011,164
Granted
Jul 25, 2023
Kind
B2
Abstract

A composition for paint removal and methods of making and of using the composition are provided. The paint remover composition comprises a component selected from the group consisting of THF, toluene, acetone, DMSO, dioxalane, 1,2 trans dichloroethylene, and a combination thereof.

Claims (16)

1. A composition comprising:

tetrahydrofuran (THF),

acetone,

ammonia and

a component selected from the group consisting of dye, paraffin wax, antioxidant, surfactant, thickener, fumed silica, corrosion inhibitor, peroxide inhibitor, and a combination thereof, wherein the component is present in a range of 0.01 weight % to 12.5 weight % based on the weight of the composition; and

wherein the THF is present in a range of 4 weight % to 90 weight % based on the weight of the composition and the acetone is present in a range of 4 weight % to 90 weight % based on the weight of the composition.

2. The composition according to claim 1 , wherein the composition further comprises toluene, dimethyl sulfoxide (DMSO), 1,2 trans dichloroethylene, or a combination thereof.

3. The composition according to claim 1 , wherein the THF is present in a range of 4 weight % to 75 weight % and acetone is present in a range of 4 weight % to 75 weight %.

4. The composition according to claim 3 , wherein the THF is present in a range of 4 weight % to 50 weight % and acetone is present in a range of 4 weight % to 50 weight %.

5. The composition according to claim 1 , wherein the composition is in a form of a liquid or an aerosol.

6. A method of using the composition according to claim 1 , the method comprising applying the composition to a paint for paint removal.

7. The composition according to claim 3 , wherein the THF is present in a range of 29.5 weight % to 49.5%, and the acetone is present in a range of 40 weight percent to 46.95%.

8. The composition according to claim 2 , wherein the composition further comprises DMSO, and wherein the DMSO is present at a range of 4 weight % to 90 weight %.

9. The composition according to claim 8 , wherein the DMSO is present at a range of 20 weight % to 75 weight %.

10. The composition according to claim 8 , wherein the DMSO is present at a range of 4 weight % to 45 weight %.

11. The composition according to claim 8 , wherein the DMSO is present at 24.75 weight %.

Assignments (3)
SECURITY INTEREST Recorded Dec 10, 2025
From: W.M. BARR & COMPANY, INC.
To: FIFTH THIRD BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 073906/0028 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 20, 2018
From: HAWES, CHARLES L.; TEAGUE, TIM
To: W.M. BARR & COMPANY, INC.
Reel/Frame 046927/0049 →
PATENT COLLATERAL AGREEMENT Recorded Jul 12, 2018
From: W.M. BARR & COMPANY, INC.
To: FIFTH THIRD BANK, AS AGENT
Reel/Frame 046567/0311 →
Continuity (2)
Provisional Application 62522417 · Jun 20, 2017
Related Publication 20180362781A1 · Dec 20, 2018
Cited By (3)
US 12,240,998 US 12,247,139 US 12,359,075