Liquid water loss reducing additives for cement slurries
US4466837A · kind A · utility
20Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1982 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Dec 3, 2002 |
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 carboxymethylhydroxyethyl-cellulose polymers. Methods of using the additives are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.