Cleaner compositions for removing graffiti from surfaces

A base composition for removing graffiti from a surface comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 10 and about 60 percent;
• (b) propylene carbonate in an amount between about 5 and about 60 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 2 and about 25 percent;
• (d) isocetyl alcohol in an amount between about 7.5 and about 25 percent;
• (e) hydroxypropyl cellulose in an amount between about 1.0 and about 3.5 percent;
• (f) an ethoxylated nonyl phenol surfactant in an amount between about 0.5 and about 3.0 percent;
• and
• (g) a modified aliphatic polyamine as a tertiary amine.

A composition for removing graffiti from a coated or non-porous surface, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 32 and about 40 percent;
• (b) propylene carbonate in an amount between about 15 and about 25 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 15 and about 25 percent;
• (d) isocetyl alcohol in an amount between about 15 and about 25 percent;
• (e) dimethyl sulfoxide in an amount between about 4 and about 8 percent;
• (f) hydroxypropyl cellulose in an amount between about 2 and about 3 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 0.5 and about 3.0 percent.

A composition for removing graffiti and all underlying paint from all non-plastic surfaces, equipment and machinery, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 40 and about 60 percent;
• (b) propylene carbonate in an amount between about 5 and about 20 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 2 and about 6 percent;
• (d) isocetyl alcohol in an amount between about 7.5 and about 14 percent;
• (e) dimethyl sulfoxide in an amount between about 10 to about 30 percent;
• (f) hydroxypropyl cellulose in an amount between about 1.0 and about 3.0 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 1.0 and about 3.0 percent.

A composition for removing graffiti from a surface of coated polycarbonate, methycrylate, methyl methacrylate, hard polyvinyl chloride compounds, acrylic, plexiglass, glass, melamine plastics or a combination thereof, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 16 and about 22 percent;
• (b) propylene carbonate in an amount between about 45 and about 55 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 12 and about 20 percent, wherein the ingredient is dipropylene glycol methyl ether acetate;
• (d) isocetyl alcohol in an amount between about 16 and about 22 percent;
• (e) hydroxypropyl cellulose in an amount between about 1.0 and about 3.0 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 1.0 and about 3.0 percent.

A composition for removing graffiti from a surface of coated polycarbonate, methyacrylate, methyl methacrylate, hard polyvinyl chloride compounds, acrylic, plexiglass, glass, melamine plastics or a combination thereof, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 16 and about 22 percent;
• (b) propylene carbonate in an amount between about 45 and about 55 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 12 and about 20 percent;
• (d) isocetyl alcohol in an amount between about 16 and about 22 percent;
• (e) hydroxypropyl cellulose in an amount between about 1.0 and about 3.0 percent;
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 1.0 and about 3.0 percent;
• and
• (h) a modified aliphatic polyamine as a tertiary amine.

A composition for removing graffiti from a surface of coated polycarbonate, methyacrylate, methyl methacrylate, hard polyvinyl chloride compounds, acrylic, plexiglass, glass, melamine plastics or a combination thereof, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 16 and about 22 percent;
• (b) propylene carbonate in an amount between about 45 and about 55 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 12 and about 20 percent;
• (d) isocetyl alcohol in an amount between about 16 and about 22 percent;
• (e) hydroxypropyl cellulose in an amount between about 1.0 and about 3.0 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 1.0 and about 3.0 percent,
• wherein the N-methylpyrrolidone is present in an amount about 14.4 percent, the propylene carbonate is present in an amount about 52.3 percent, the ingredient is present in an amount about 17.4 percent, and the isocetyl alcohol is present in an amount about 14.4 percent, by volume of the composition.

A composition for removing graffiti from soft vinyl surfaces, the composition comprising in percentage by volume of the composition:

• a first part that includes:
• (a) N-methylpyrrolidone in an amount between about 10 and about 14 percent;
• (b) propylene carbonate in an amount between about 50 and about 60 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 10 and about 15 percent;
• (d) isocetyl alcohol in an amount between about 10 and about 18 percent;
• (e) hydroxypropyl cellulose in an amount between about 1.0 and about 2.0 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 0.5 and about 1.5 percent;
• and
• a second part that includes mineral oil and lavender oil.

A composition for removing layers of graffiti and underlying paint from a non-coated or porous surface, the composition comprising in percentage by volume of the composition:

• (a) N-methylpyrrolidone in an amount between about 40 and about 60 percent;
• (b) propylene carbonate in an amount between about 10 and about 20 percent;
• (c) an ingredient selected from the group consisting of dipropylene glycol methyl ether acetate and dipropylene glycol monomethyl ether acetate in an amount between about 3 and about 7 percent;
• (d) isocetyl alcohol in an amount between about 7.5 and about 14 percent;
• (e) dimethyl sulfoxide in an amount between about 7.5 and about 14 percent;
• (f) hydroxypropyl cellulose in an amount between about 2.5 and about 3.5 percent;
• and
• (g) an ethoxylated nonyl phenol surfactant in an amount between about 1.0 and about 3.0 percent.