Reduction of spontaneous combustion of coal
US4331445A · kind A · utility
20Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 1981 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Apr 3, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition for the prevention of spontaneous combustion of coal is described which is comprised of at least about 2 percent of polyethylene oxide and the balance water. Also described is a method for reducing the spontaneous combustion tendency of coal by contacting coal with the above composition and then drying the coal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.