Organic acids and process for preparing same

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

1978-05-30

1982-06-08

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

562485, 562407, C07C 51373, C07C 5147

Patent

active

043340849

ABSTRACT:
A mixture of polycyclic, aromatic polycarboxylic acids carrying nuclear nitro groups that is substantially soluble in a mixture of polar solvents 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.
Polansky, Theodore S. et al., "Solvent Extraction of Humic Acids from Nitric Acid-Treated Bituminous Coal", Ind. & Eng. Chemistry, 39, (7), 926-929, (1947).
Fuchs, Walter et al., "Coal Oxidation", Industrial and Engineering Chemistry, vol. 35, pp. 343-345, (1943).
Bease, A. E. et al., "Production of Chemicals by Oxidation of Coal", A Batelle Energy Program Report, Mar. 31, 1975, (Batelle Memorial Institute, Columbus, Ohio).
Kinney, C. R. et al., "Nitric Acid Oxidation of Bituminous Coal", Industrial and Engineering Chemistry, vol. 48, pp. 327-332, (1956).
Kirk-Othmer, "Encyclopedia of Chemical Technology, vol. I, pp. 92-95, (1950), Interscience Publ.

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