Concentrated aqueous dye solutions for dyeing paper

Details Concentrated aqueous dye solutions for dyeing paper Concentrated aqueous dye solutions for dyeing paper

1989-11-13

1991-02-26

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8604, 8684, 8689, 8691, 8918, 8919, C09B 2901, C09B 6726, C09B 6904

Patent

active

049958852

ABSTRACT:
Concentrated dye solutions of the formula (1) shown in claim 1 are described.
The dye solutions are notable for a long shelf life and are suitable in particular for dyeing paper.

REFERENCES:
patent: 2692263 (1954-10-01), Taube
patent: 3862116 (1975-01-01), Toji
patent: 4071312 (1978-01-01), Blackwell
patent: 4877412 (1989-10-01), Pedrazzi

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