Liquid water loss reducing additives for cement slurries
US4433731A · kind A · utility
23Cited by
14References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1983 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | Mar 30, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Liquid water loss reducing additives for use in cement slurries are provided comprised of aqueous solutions of low molecular weight carboxymethylhydroxyethylcellulose polymers. Methods of using the additives are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.