Organic acids and process for preparing same

Details Organic acids and process for preparing same Organic acids and process for preparing same

1982-03-11

1983-05-03

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562407, 562485, 562408, C07C 51373, C07C 5147

Patent

active

043821464

ABSTRACT:
A mixture of polycyclic, aromatic polycarboxylic acids carrying nuclear nitro groups that is substantially soluble in an azeotropic mixture of methyl ethyl ketone and ethanol but substantially insoluble in water, and a process for preparing the mixture of polycyclic, aromatic polycarboxylic acids.

REFERENCES:
patent: 4052448 (1977-10-01), Schulz et al.
Fuchs, Walter et al., Industrial and Engineering Chemistry, vol. 35, (1943), pp. 343-345.
Polansky, Theodore S. et al., Industrial and Engineering Chemistry, vol. 39, (1947), pp. 525-529.
Kinney, C. R. et al., Industrial and Engineering Chemistry, vol. 48, (1956), pp. 327-332.
Bease, A. E. et al., "Production of Chemicals by Oxidation of Coal", A Battelle Energy Program Report, Mar. 31, 1975, (Battelle Memorial Institute, Columbus, Ohio).
Ex parte Johann G. D. Schulz, re: Sr. N. 910,215, (now U.S. Pat. No. 4,334,084), Appeal No. 440-05, Sep. 17, 1981.

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