Composition for deactivating the surface of concrete or mortar and its process of application
US6648963B2 · kind B2 · utility
2Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2002 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jul 31, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B41/72
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The surface deactivating composition for concrete or mortar comprising a retardant, water and if desired a rheology modifying agent of the HASE type (emulsion, soluble in alkali, of a polymer with hydrophobic modification), characterized in that the retardant is a carboxylic acid and in that the concentration of HASE is greater than or equal to 0.5% by weight. The process of application consists in applying this deactivating composition in proportions of the order of 0.25+0.05 liter per square meter of the surface, then washing with water this surface after a predetermined period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.