US 10,392,514 B2Granted

Storage-stable dye solutions

AssigneeArchroma IP GmbH

InventorFriedrich Lehr

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Abstract

The present invention relates to storage-stable dye salts, solutions and compositions thereof a process for their preparation and their use for dyeing and/or printing substrates.

Claims14

Dependent claims

A dye composition, comprising

(a) 14.5% by weight of a compound of formula
(b) 5% by weight of triisopropanolamine, and further 0.15% by weight of 1,2-benzisothiazolin-3-one and 80.35% by weight of water.

Dependencies are inferred from the claim text.

Facts

Application: 15/124,813Filed 27 Mar 2015
Priority: EP 1400115828 Mar 2014
Published: US 2017/0022366 A126 Jan 2017
Granted: 27 Aug 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification12 codes

C09B 69/045
Of anionic dyes with nitrogen containing compounds: of anionic azo dyes
C07C 215/08
And acyclic: with only one hydroxy group and one amino group bound to the carbon skeleton
C07C 215/12
And acyclic: the nitrogen atom of the amino group being further bound to hydrocarbon groups substituted by hydroxy groups
C09B 29/0011
From diazotized anilines: from diazotized anilines directly substituted by a heterocyclic ring

Family

US 2017/0022366 A1Pre-grant publication · published 26 Jan 2017
US 10,392,514 B2This patent

From the US filing history. Foreign family members aren’t listed.

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