Cement dispersant and methods of making and using the same
US7271214B2 · kind B2 · utility
6Cited by
24References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2004 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Jul 29, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/408
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.