Reducing the tendency of dried coal to spontaneously ignite
US4421520A · kind A · utility
22Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1981 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Dec 21, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Mined, crushed, coal particles are dried and then contacted with a water-base dispersion or emulsion of latex paint type solids. The latex paint type solids form an elastic film that reduces the tendency of the dried coal to spontaneously ignite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.