Process for removing a product from coal tar
US9222034B2 · kind B2 · utility
3Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for removing at least one product from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent. The extraction agent includes at least one of amphiphilic block copolymers, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent includes exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.