Sulfonating apparatus
US4113438A · kind A · utility
5Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1976 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Dec 1, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/56
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An apparatus is provided wherein organic reactant is sulfonated by injecting it into a stream of gas comprising sulfur trioxide, at a venturi, and the resulting reaction mixture is quenched with a stream of cooled, recycled reaction product immediately downstream of the venturi in a conduit in which particles of reaction mixture are agglomerated into a film of the recycle stream and in which additional sulfonation reaction occurs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.