Graffiti removers which comprise a dye bleaching agent

Details Graffiti removers which comprise a dye bleaching agent Graffiti removers which comprise a dye bleaching agent

1996-03-07

1998-01-27

Lieberman, Paul

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510212, 510242, 510371, 510372, 510380, 510465, C11D 754

Patent

active

057122342

ABSTRACT:
Graffiti removers particularly useful for removing permanent ink from painted surfaces are disclosed. The graffiti removers include a dye solvent (a pyrrolidone or a lactone), a dye non-solvent (a glycol ether ester or a glycol diether), and a dye bleaching agent (an oxidizing agent, reducing agent, or base). The dye bleaching agent is the key to eliminating the problem of "ghosting" that is observed when conventional graffiti removers are used to remove permanent marker ink graffiti.

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