DYES BEING SOLUBLE IN POLYFLUOROPOLYOXY ALKYLENES Russian patent published in 1996 - IPC

Abstract RU 2067989 C1

FIELD: production of dyes, indicator devices. SUBSTANCE: proposed dye is prepared by introduction of perfluoropolyoxy alkylene grouping into dye of azo, triaryl methane, azine or anthraquinone series having no content of sulfo- and/or carboxy-, and/or sulfone amide groups. EFFECT: improves quality of desired product.

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RU 2 067 989 C1

Authors

Ehtsio Strepparola[It]

P'Ero Gavedzotti[It]

Dzhovanni Gavatstsi[It]

Dates

1996-10-20Published

1992-02-14Filed