Apparatus for continuous sulfonation
US4036596A · kind A · utility
4Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1976 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Jun 25, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A cylindrical apparatus for continuous sulfonation of an organic liquid is provided with an annular feeding device for permitting the organic liquid to flow in the form of a film down a reaction wall. The annular feeding device is provided with a number of slots in a horizontal and equidistant manner in a row.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.