Composition for removing cementitious material from a...

Cleaning and liquid contact with solids – Processes – Miscellaneous

Reexamination Certificate

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C134S026000, C134S028000, C134S029000, C134S034000, C134S036000, C510S108000, C510S109000, C510S421000, C510S501000, C510S505000

Reexamination Certificate

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07938912

ABSTRACT:
A composition is provided for use in cleaning a surface of a cementitious material. The composition includes HCl, urea, complex substituted keto-amine-hydrochloride, an alcohol, an ethoxylate, and a ketone. A method of using the composition includes applying the composition to a surface from which it is desired to clean a cementitious material and removing the composition and released cementitious material from the surface.

REFERENCES:
patent: 4673522 (1987-06-01), Young
patent: 5672279 (1997-09-01), Sargent et al.
patent: 2006/0063689 (2006-03-01), Netherton
patent: 2010/0288909 (2010-11-01), Rosati

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