The use of metal-free sulfo group free basic disazo compounds co

Details The use of metal-free sulfo group free basic disazo compounds co The use of metal-free sulfo group free basic disazo compounds co

1992-11-25

1994-10-04

Higel, Floyd D.

Paper making and fiber liberation

Processes and products

Non-fiber additive

8919, 534606, 534607, 534608, 534609, 534772, D21H 2128, D21H 1707, C09B 4408, C09B 4412

Patent

active

053523342

ABSTRACT:
Metal-free compounds of the formula ##STR1## and 1:1 and 1:2 metal complexes thereof and acid addition salts of such metal-free compounds and 1:1 and 1:2 metal complexes,
wherein

REFERENCES:
patent: 4079052 (1978-03-01), Muller
patent: 4087244 (1978-05-01), Greve et al.
patent: 4213897 (1980-07-01), Moser et al.
patent: 4591635 (1986-05-01), Greve et al.
patent: 4673735 (1987-06-01), Moser et al.
patent: 4675388 (1987-06-01), Greve et al.

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