Sulph(on)ation process
US4226796A · kind A · utility
4Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1977 |
| Grant date | Oct 7, 1980 |
| Priority date | — |
| Expiry date | Dec 5, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87652
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Sulph(on)ation of organic feedstocks is performed with undiluted sulphur trioxide in a recycle loop reactor in which the feedstock is diluted with its recycled sulph(on)ation product, contact of the feedstock and sulphur trioxide occurs under conditions of turbulent flow and the recycle ratio is high.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.