IP Library › Granted Patent US 9,023,117
Granted Patent B2
US 9,023,117 · App. 13/622,741 · Granted May 5, 2015

Disperse dye mixtures, their preparation and use

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Quick Facts
Patent No.
US 9,023,117
App. No.
13/622,741
Granted
May 5, 2015
Kind
B2
Abstract

The present invention provides dye mixtures containing at least one dye of formula (I) and at least one dye of formula (II) where T 1 , T 2 , R 1 to R 9 and n are each as defined in claim 1 , processes for their preparation and their use.

Claims (5)

1. A dye mixture containing at least one dye of formula (Ia)

wherein T 1 is CN, T 2 is H, R 1 is H, R 2 is H, R 3 is CH 2 C 6 H 5 , in an amount from 20% to 70% by weight

and at least one dye of formula (II)

wherein R 8 is

and wherein * represents the bond to the phenyl radical, and R 9 is H, in an amount from 80% to 30% by weight.

Assignments (2)
CHANGE OF NAME Recorded Jul 29, 2014
From: DYSTAR COLOURS DEUTSCHLAND GMBH
To: DYSTAR COLOURS DISTRIBUTION GMBH
Reel/Frame 033431/0244 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 9, 2014
From: MURGATROYD, ADRIAN; GRUND, CLEMENS; LIEBIG, TIMO; NEUBAUER, STEFAN
To: DYSTAR COLOURS DEUTSCHLAND GMBH
Reel/Frame 031926/0062 →