Chemistry of inorganic compounds – Oxygen or compound thereof – Peroxide
Patent
1981-07-14
1982-09-14
Vertiz, O. R.
Chemistry of inorganic compounds
Oxygen or compound thereof
Peroxide
564 48, 564 58, 564 61, C01B 1502
Patent
active
043495265
ABSTRACT:
Tetra substituted ureas wherein at least one substituent is an aryl group have proven very oxidation resistant in the anthraquinone process for making hydrogen peroxide. The urea nitrogen is directly attached to the aryl group. These ureas can be used as a single solvent or as a component of a mixture of solvents.
REFERENCES:
patent: 2975033 (1961-03-01), Kabisch et al.
patent: 3767778 (1973-10-01), Giesselmann et al.
patent: 3789114 (1974-01-01), Giesselmann et al.
patent: 3819818 (1974-06-01), Giesselmann et al.
Chem. Abst., vol. 85, p. 20583, (1966).
Goor Gustaaf
Kunkel Wolfgang
Degussa - Aktiengesellschaft
Langel Wayne A.
Vertiz O. R.
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