Activated carbon for adsorptive storage of gaseous compound
US6309446A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 16, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Aug 16, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Activated carbon having a specific surface area of 700 to 1,500 m.sup.2 /g, a pore volume of pores having a pore diameter of 10 nm or less of 0.20 to 0.8 cc/g, a proportion of a pore volume of pores having a pore diameter of 0.6 to 0.8 nm to a pore volume of pores having a pore diameter of 10 nm or less of 75% by volume or more, a grain bulk density of 0.4 to 1.1 g/cc, a packing density of 0.30 to 0.70 g/cc, an ash content of 1.0% or less, and a tensile strength of activated carbon grains of 30 kg/cm.sup.2 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.