Pozzolan cement compositions and admixtures therefor
US5588990A · kind A · utility
21Cited by
4References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 3, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Nov 3, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/606
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Blended cement compositions for mixture with aggregate and water to prepare cementitious products. Such blended cement compositions contain cement, calcined diatomaceous earth, calcined kaolin, and about 0.5% to about 4% (w/w) of potassium, with or without talc and/or bentonite or their functional equivalents. Admixtures for blending into cement to create such blended cements or their read-mix equivalents contain calcined kaolin, calcined diatomaceous earth, and potassium, with or without talc and/or bentonite or their functional equivalents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.