| US 7,553,340 B2 | ||
| Reactive dyes, a process for their preparation and their use | ||
| Athanassios Tzikas, Pratteln (Switzerland); Georg Roentgen, Freiburg (Germany); and Herbert Klier, Efringen-Kirchen (Germany) | ||
| Assigned to Huntsman International, LLC, The Woodlands, Tex. (US) | ||
| Appl. No. 11/667,616 PCT Filed Nov. 02, 2005, PCT No. PCT/EP2005/055689 § 371(c)(1), (2), (4) Date May 11, 2007, PCT Pub. No. WO2006/051053, PCT Pub. Date May 18, 2006. |
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| Claims priority of application No. 04105730 (EP), filed on Nov. 12, 2004. | ||
| Prior Publication US 2007/0294842 A1, Dec. 27, 2007 | ||
| Int. Cl. C09B 67/22 (2006.01); C07C 245/00 (2006.01) | ||
| U.S. Cl. 8—641 [8/669; 8/673; 8/681; 8/687; 8/688; 534/567] | 11 Claims |
1. A reactive dye of formula
 R1 is hydrogen or unsubstituted or substituted C1-C4 alkyl,
R2 is hydrogen; C1-C4 alkyl; C1-C4 alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4 alkoxy; halogen; carboxy or sulfo,
R3 is hydrogen; C1-C4 alkyl; C1-C4 alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4 alkoxy; halogen; nitro; C2-C4 alkanoylamino; ureido; carboxy or sulfo,
(R4)k denotes k identical or different substituents selected from the group halogen, C1-C4-alkyl, C1-C4 alkoxy, carboxy and sulfo,
X is halogen and
V is a radical of formula
 R5 is unsubstituted or substituted C1-C4 alkyl,
(R6)l denotes l identical or different substituents from the group C1-C4 alkyl, C1-C4 alkoxy and sulfo, and l is the number 0, 1 or 2,
Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions,
Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group,
Hal is halogen and
k is the number 0, 1, 2 or 3.
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