Process for preparing thiophenols
US4284817A · kind A · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1977 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Jun 2, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Thiophenols are produced by reacting the corresponding benzene compound with hydrogen sulfide in contact with an absorptive catalyst, such as activated carbon, calcined petroleum coke, etc. Temperatures in the range of from about 500.degree. to 900.degree. C. are employed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.