Bis-reactive dye with n,n-dialkylamino bridge group

Details Bis-reactive dye with n,n-dialkylamino bridge group Bis-reactive dye with n,n-dialkylamino bridge group

2008-10-28

2009-10-06

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S632000

Reexamination Certificate

active

07598357

ABSTRACT:
The present invention relates to a novel bis-reactive dye with N,N-dialkylamino bridge group, represented by the following formula (I):wherein E1, E2, R, R1, R2, R3, R4, R5, R6, G, G′, B, B′, X, m, and n are defined the same as the specification. The bis-reactive dye of the present invention is suitable for exhaust dyeing, cold pad batch, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or polyamine fibers.

REFERENCES:
patent: 7488354 (2009-02-01), Daubress et al.
patent: 2006/0080791 (2006-04-01), Daubresse et al.
patent: 2009/0126755 (2009-05-01), Guerin et al.
Yousef et al., Coloration Technology, 118(1), 20-25, 2002.
Youssef et al., Coloration Technology, 118(6), 325-329, 2002.

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