Composition containing materials improving the rheological properties of cement-based products
US5567236A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1993 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Dec 28, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B24/003
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Composition adapted to improve the rheological properties of cement-based products and more especially to increase the duration of the workability of concrete ready to use, characterized in that it comprises, in the form of a ternary mixture PA1 a superplasticizing or water-reducing agent having a dispersing effect, PA1 a stabilizing agent capable of forming a chelate with the calcium ions of the cement-based product, and PA1 a polycarboxylic polymer dispersing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.