Process for producing activated charcoal
US5382559A · kind A · utility
8Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1993 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | Mar 22, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B32/348
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Process for preparing activated charcoal by means of the thermal treatment of potassium humates or humic acids, deriving from coal oxidation, in the presence of an activating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.