Toluene production
US7709693B2 · kind B2 · utility
0Cited by
7References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 1, 2007 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | Dec 1, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for optimizing the production of nitration grade toluene from a solvent extraction process that produces an aromatic rich extract and a saturate rich raffinate, comprising adding an effective amount of the raffinate back to the extract.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.