Lightweight concrete building product
US5112405A · kind A · utility
42Cited by
3References
10Claims
0Family size
Inventor
Key dates
| Filing date | Nov 16, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/54
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Compositions for lightweight, waterproof, cementitious materials comprise portland cement, aggregates, two admixtures, and water. A first admixture comprises a major portion of calcium chloride and minor portions of sodium silicate and a wetting agent. A second admixture comprises an emulsion of ammonium stearate. Methods for producing cementitious materials include a process for manufacturing strong, lightweight, waterproof building products such as roofing tile, imitation bricks, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.