Multi-purpose paint and varnish stripper
OwnerDonald E. Stanleyinventor
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Abstract
This invention provides a paint stripping composition comprising N-methyl-2-pyrrolidone and lower alkyl ethers of propylene glycol and dipropylene glycol. The composition does not include any toluene, halogenated hydrocarbons, acids, caustics or waxes and is not harmful to a wide variety of substrates.
Claims8
An environmentally acceptable composition for stripping paint and varnish consisting essentially of from 10 to 25 weight percent N-methyl-2-pyrrolidone, from 2 to 35 weight percent of a mixture of propylene glycol n-butyl ether and dipropylene glycol dimethyl ether, from 5 to 10 weight percent of ethyl 3-ethoxypropionate, from 5-15 weight percent of isopropyl alcohol, from 10-25 weight percent of a lower aliphatic ketone, from 1 to 5 weight percent of a surfactant and from 1 to 5 weight percent of an odorant.
Dependencies are inferred from the claim text.