Navy Blue and Black Mixtures, Method for the Production Thereof, and Their Use for Dying Material Containing Hydroxy Groups
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United States of America Patent
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Issued Date -
Nov 20, 2008
app pub date -
Dec 13, 2005
filing date -
Dec 17, 2004
priority date (Note) -
Abandoned
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Abstract
Mixtures of vat dyes for hue-stable dyeings in navy to black shades comprising C.I . Vat Black 9 and at least one of C.I. Vat Blue 18, C.I. Vat Blue 19, C.I . Vat Blue 22, C.I. Vat Blue 6 and also halogenated 16,17-diethyidibenzanthrone derivatives, C.I. Vat Violet 13, C.I. Vat Black 20, and optionally C.I. Vat Black 65, processes for their production by mechanical mixing of the components and their use for hue-stable dyeing and printing of cellulosic material.
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