PROCESS OF REDUCTION OF SULFUR AND VAT DYES Russian patent published in 2002 - IPC

Abstract RU 2178473 C2

FIELD: varnish-and-paint industry. SUBSTANCE: invention is intended for use in dyeing cellulose- containing textile materials. The substance of invention consists in that reduction of sulfur and vat dyes is performed in water-alkali medium with isomaltulose or isomaltulose-tregalulose mixture as reducing agent, whose concentration varies between 1 and 50 g/l. EFFECT: avoided superreduction of reduction-sensitive dyes and thereby increased yield of pigment on textile. 13 cl, 4 dwg, 6 tbl

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RU 2 178 473 C2

Authors

Grjull' Ditmar R.

Khadzhi Begli Alireza

Kubadinov Nikolaj

Kunts Markvart

Munir Mokhammad

Dates

2002-01-20Published

1997-11-22Filed