Process for producing anthraquinone
US4459234A · kind A · utility
3Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1980 |
| Grant date | Jul 10, 1984 |
| Priority date | — |
| Expiry date | May 30, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C46/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A novel process for producing anthraquinone in good yields is provided which comprises reacting phthalic anhydride with benzene in a single step in the vapor phase in the presence of a catalyst comprising titanium oxide and/or tin oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.