Method and compositions for treating fibrous cellulosic material

Details Method and compositions for treating fibrous cellulosic material Method and compositions for treating fibrous cellulosic material

1998-04-07

1999-02-23

Diamond, Alan

Bleaching and dyeing; fluid treatment and chemical modification

Fugitive dye composition, process or product

8493, 8565, 8566, 8571, 8573, 8606, 8182, 8183, 8185, 8186, 8189, 162 72, 162 74, 1621572, 252 861, 252 886, D06P 513

Patent

active

058739092

ABSTRACT:
The application of a treating solution containing polyhydroxy compound and choline chloride to a fibrous cellulosic material is made more uniform and reproducible by including in the treating solution a colorizing amount of a fugitive tint, by which the uniformity of the application can be observed and corrected by appropriate changes to the operating variables.

REFERENCES:
patent: 4629470 (1986-12-01), Harper, Jr.
patent: 4711640 (1987-12-01), Harper, Jr.
patent: 4780102 (1988-10-01), Harper, Jr.
patent: 5006125 (1991-04-01), Patton et al.
patent: 5501711 (1996-03-01), Weltrowski et al.
patent: 5593618 (1997-01-01), Okoniewski et al.

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