Cleaning and conditioning composition and method

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

Reexamination Certificate

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Details

C510S365000, C510S477000, C510S507000, C510S509000, C134S002000, C134S042000

Reexamination Certificate

active

07459421

ABSTRACT:
A cleaning composition and method for the removal of contaminants, such as, oil and grease from a surface, particularly concrete and asphalt. The composition includes an absorptive material, charcoal, and a pH modifying agent which is applied and removed in a dry form. Optionally, surfactant, solvent, carbonate or microorganisms may be added.

REFERENCES:
patent: 4615821 (1986-10-01), Siklosi
patent: 5723424 (1998-03-01), Jennings
patent: 5725795 (1998-03-01), Kashiba
patent: 5775259 (1998-07-01), Tucker
patent: 5944704 (1999-08-01), Guarracino et al.
patent: 5990067 (1999-11-01), Franssen et al.
patent: 6635609 (2003-10-01), Sutton
patent: 55129064 (1980-10-01), None
patent: 62298364 (1987-12-01), None
patent: 01155857 (1989-06-01), None

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