Preparation of monoperoxyphthalic acid
US4085133A · kind A · utility
5Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1976 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Nov 24, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2120/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Stable monoperoxyphthalic acid is prepared by reacting phthalic anhydride with a stoichiometric excess of concentrated hydrogen peroxide in the absence of basic catalyst in liquid halogenated hydrocarbon medium in which the monoperoxyphthalic acid product is insoluble.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.