Activated carbons and method for obtaining same from a partly mesophase and partly mesogenic pitch
US7105083B1 · kind B1 · utility
0Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | Nov 17, 2000 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Feb 15, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for obtaining activated carbons from a partly mesophased and partly mesogenic pitch containing less than about 40% of the a resins, more than about 40% of type β resins and between about 5 and 30% of type γ resins by activating the pitch preceded by its optional carbonization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.