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US 6,547,872 B1Granted
Sandstone refurbisher and synthetic wall-system adhesive
OwnerLloyd Jerome Fleminginventor
Life of this patent
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Abstract
A sandstone refurbishing compound is shown comprising a mixture of ordinary ingredients, namely a plaster/perlite mixture, portland cement, water, an acrylic resin, wood filling means, and silica sand. It can be used on existing sculptures, walls, or similar objects made of sandstone or similar materials.
Claims2
A compound for applying to sandstone comprising:
- plaster mix containing gypsum and perlite;
- 8 ounces of Portland cement for every 2 pounds of said plaster mix;
- 4 ounces of acrylic resin for every 2 pounds of said plaster mix;
- 16 ounces of water for every 2 pounds of said plaster mix;
- and
- sand, said sand being of a quantity such that the volume ratio of said sand to the combination of said plaster mix, said cement, said acrylic resin, and said water together is substantially 1.6:1.
3 more elements
Dependencies are inferred from the claim text.