Method for preparing dispersing agent
US3970690A · kind A · utility
12Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1974 |
| Grant date | Jul 20, 1976 |
| Priority date | — |
| Expiry date | Feb 27, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/62
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved dispersing agent for cement having low foamability and high dispersibility is prepared by sulfonating high aromatic hydrocarbon compounds, and subsequently neutralizing the sulfonated compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.