Rapid setting, high early strength binders
US6136088A · kind A · utility
50Cited by
11References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1997 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Oct 9, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/1006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for making a cementitious material comprises forming a mixture of water and active ingredients consisting essentially of i) a compound capable of providing, in aqueous solution, magnesium ions, ii) a potassium phosphate compound and iii) optionally an additional phosphate source; wherein forming said mixture is substantially in the absence of ammonia or an ammonium ion containing compound. A method for repairing a flaw in a cementitious structure comprises applying to the flaw the cementitious binder thus prepared.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.