Method for eliminating or preventing the brightening effects of

Details Method for eliminating or preventing the brightening effects of Method for eliminating or preventing the brightening effects of

1977-01-10

1978-07-04

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of carbohydrate

162158, 162162, 427170, 427394, 427395, 548336, D21D 300

Patent

active

040989542

ABSTRACT:
A method for eliminating or preventing the brightening effect on materials, particularly fibrous materials such as textiles and paper, of anionic optical brightening agents involving the use of hydrosoluble acid addition salts or quaternary ammonium salts of compounds containing the group of formula: ##STR1## wherein the benzene radical is linked within the group at its m- or p-positions.

REFERENCES:
patent: 3639642 (1972-02-01), Matter et al.

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