Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2001-03-26
2003-04-15
Marcantoni, Paul (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S724000, C106S738000, C106S778000, C106SDIG002
Reexamination Certificate
active
06547872
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates generally to a sandstone refurbisher and wall system adhesive, and more particularly to one which can be used to match the surface of surrounding sandstone surfaces. It is an object of this invention to provide a novel compound that can be used to restore sandstone sculptures or walls, or other similar materials. It is a further object of the present invention to provide such a compound that can be used to visually blend in with the surrounding surface.
SUMMARY OF THE INVENTION
With the above objects in mind, the present invention combines several readily available household items to form a sandstone refurbisher. The compound of the present invention comprises a mixture of Gypsum Perlited Plaster Mix, Portland Cement II, water, sand, and an acrylic resin.
REFERENCES:
patent: 3869295 (1975-03-01), Bowles et al.
patent: 4043826 (1977-08-01), Hum
patent: 4299790 (1981-11-01), Greenberg
patent: 4362566 (1982-12-01), Hinterwaldner
patent: 5730797 (1998-03-01), Parrish et al.
patent: 6200381 (2001-03-01), Rechichi
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