Cleaner compositions for removing graffiti from surfaces
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United States of America Patent
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Sep 13, 1994
Issued Date -
N/A
app pub date -
Mar 11, 1992
filing date -
Aug 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cleaner composition for removing graffiti including ink, marking pen marks and paint from a variety of substrates or surfaces. The base composition for all five embodiments comprises N-methylpyrrolidone, propylene carbonate, isocetyl alcohol, an ingredient selected from the group consisting of dipropylene glycol monomethyl ether acetate and dipropylene glycol methyl ether acetate, a thickening agent and a surfactant. Each species or embodiment varies the range of these ingredients and some embodiments include other ingredients, such as dimethyl sulfoxide, a tertiary amine and mineral oil and lavender oil. Each embodiment is directed to a different type substrate or surface to maximize the removal of graffiti on that surface without any deleterious effects to that surface.
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