Anthraquinone dyes

Details Anthraquinone dyes Anthraquinone dyes

1975-08-12

1978-04-11

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260371, 260380, C07C143665, C09B 152

Patent

active

040838587

ABSTRACT:
A process for the manufacture of water-soluble anthraquinone dyes having the general formula: ##STR1## wherein Z represents an optionally substituted hydrocarbon residue carrying at least one half sulphuric acid ester or sulphonic acid group which comprises reacting 1,8-dihydroxy-4-amino-5-nitroanthraquinone with a primary amine of the formula:

REFERENCES:
patent: 2258551 (1941-10-01), Grossmann
patent: 3444215 (1969-05-01), Gehrke
patent: 3458537 (1969-07-01), Johnson
patent: 3600410 (1971-08-01), Berninger
patent: 3767682 (1973-10-01), Harvey
patent: 3828040 (1974-08-01), Bien
patent: 3883567 (1975-05-01), Harvey

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