Cement composition
US5725654A · kind A · utility
12Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1997 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Jun 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
There is provided a cement composition having improved fluidity comprising cement and an addition copolymer of (a) an adduct of a polyether polyol and an ethylenically unsaturated isocyanate with (b) an ethylenically unsaturated carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.