Liquid setting accelerator for a composition comprising Portland cement
US7326290B2 · kind B2 · utility
14Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2003 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | May 29, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/12
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a setting accelerator for a composition comprising Portland cement, in the form of a slurry comprising at least one calcium aluminate, 0.5 4%, preferably 0.6 2.3% of an aluminous cement setting inhibitor by weight in relation to the overall weight of the calcium alumnate, and an anti-sedimentation agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.