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US 10,472,279 B1Granted
Portland cement-based composition with improved pigment dispersion and color consistency
AssigneeH.B. Fuller Company
InventorsBronwyn T. Miller, Martyn J. Guimon, Gregory W. Schad
Life of this patent
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Abstract
A tintable cement-based composition that includes a cement-based powder component and a pigment component. The powder component includes Portland cement, a filler, calcium sulfate hemihydrate, aluminum oxide, and Sepiolite clay; and the pigment component includes at least one pigment. The components can be packaged separately and mixed with water at the point of use.
Claims27
A cement-based composition comprising:
- a cement-based powder component comprising Portland cement, filler, calcium sulfate hemihydrate, aluminum oxide, and Sepiolite clay;
- and
- a pigment component comprising at least one pigment;
- the cement-based composition exhibiting color tolerance values of DL=0+/−3.0, Da=0+/−1.5, and Db=0+/−1.5 when tested according to at least one of Water Content Test Method I and Water Soak Test Method I.
1 more element
A tintable cement-based powder comprising:
- Portland cement;
- filler;
- calcium sulfate hemi-hydrate;
- aluminum oxide;
- and
- Sepiolite clay.
3 more elements
Dependencies are inferred from the claim text.