Method of restoring marble and brick surfaces

Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...

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Details

134 4, 134 29, 134 30, 252135, 252140, B08B 308

Patent

active

046133780

ABSTRACT:
A marble and brick surface restoring composition comprising a mixture of trisodium phosphate, talc and sugar, which is prepared by dissolving the trisodium phosphate in boiling water to which is added the talc and sugar to form a paste. The paste is applied to the surface to be restored by a suitable applicator such as a brush or trowel; the coated surface is covered with a thin plastic sheet and the coating is allowed to set. The composition is removed from the restored surface by a squeegee and the surface is rinsed with water or steam.
When restoring detailed surfaces, such as headstones, cheese cloth is first wrapped around the surface and the paste is sprayed thereon to form a poultice which is covered with a thin plastic sheet. After setting, the poultice is peeled from the surface and the restored surface is rinsed with water or steam.

REFERENCES:
patent: 1870312 (1932-08-01), Gangloff
patent: 2257545 (1941-09-01), Curtis
patent: 3529999 (1970-09-01), Boeniger
patent: 3728267 (1973-04-01), Hirota et al.
patent: 4483716 (1984-11-01), Heller

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