Cementitious compositions
US9284226B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2010 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Dec 8, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2201/05
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention provides a cementitious composition comprising a cement component comprising (i) an accelerant, (ii) a calcium sulphate source and (iii) an ettringite forming cement; an aggregate; and optionally water; wherein the cement has a minimum unconfined compressive strength of 1500 psi when tested in accordance with ASTM C1140 and/or C1604 at 15 minutes after placement; methods for its use and concrete formed from it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.