Process for the production of phthalic anhydride
US4435581A · kind A · utility
8Cited by
1References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1982 |
| Grant date | Mar 6, 1984 |
| Priority date | — |
| Expiry date | May 3, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/313
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A system for producing phthalic anhydride by the catalytic oxidation of naphthalene, wherein the system is characterized by reduced capital and operating costs due to lower operating pressures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.