Dispersing solid carbonaceous material in water
US4370429A · kind A · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1981 |
| Grant date | Jan 25, 1983 |
| Priority date | — |
| Expiry date | May 27, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Quaternized ammonium synthetic polymers having a solution viscosity, as measured on a 1% solution in deionized water at 25.degree. C. using a suspended level viscometer of from 1 to 500 cs are used as dispersing agents in aqueous slurries of water and solid particulate carbonaceous material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.