Low ash pelleted carbon and process of preparation
US4532227A · kind A · utility
30Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1980 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Dec 22, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B32/378
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Low ash pelleted carbon is prepared by contacting pelleted carbon first with hydrochloric acid followed by leaching with hydrofluoric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.