1:2 chromium and cobalt complexes of monoazo compounds for dryin

Details 1:2 chromium and cobalt complexes of monoazo compounds for dryin 1:2 chromium and cobalt complexes of monoazo compounds for dryin

1990-08-21

1992-06-23

Lee, Mary C.

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Inorganic substrate

8437, 8527, 8681, 8685, 534696, 534721, 534723, C23C 2226, C09B 4514, D06P 110, D06P 324

Patent

active

051239302

ABSTRACT:
1:2 metal complexes of the formula ##STR1## wherein each of R.sub.1 and R.sub.3 is independently hydrogen or nitro, with the proviso that when a ring has two nitro groups, they are meta to each other,

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Price, The Chemistry of the Synthetic Dyes, vol. III, Venkataraman, ed., Academic Press, New York (1970), pp. 303-304 and 334-341.

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