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US 12,110,420 B2Granted
Paint remover composition and method of making
AssigneeW. M. Barr & Company
InventorsJonathan P. Breon, Timothy G. Teague, Dennis Earl Shireman
Life of this patent
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Abstract
A composition for paint removal and methods of making and of using the composition are provided. The composition comprises tetrahydrofuran (THF), an amine with a molar volume of <100 cm3/mol, and a solvent.
Claims20
A paint remover composition comprising:
- tetrahydrofuran (THF) in an amount of 50% by wt. to 90% by wt based on the total weight of the composition;
- an amine with a molar volume of <100 cm3/mol,
- a solvent that renders the composition miscible, wherein the solvent comprises at least one of methanol, ethanol, ethyleneglycol monobutyl ether, or a combination thereof, and
- water in an amount up to 20% by wt. based on the weight of the composition,
- wherein the composition is miscible.
2 more elements
Dependencies are inferred from the claim text.