Reactive dyestuff with N,N-dialkylamino bridge group

Details Reactive dyestuff with N,N-dialkylamino bridge group Reactive dyestuff with N,N-dialkylamino bridge group

2008-05-20

2009-11-17

Powers, Fiona T (Department: 1626)

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

Organic compounds

Azo

C534S642000, C534S643000, C534S835000, C562S067000, C564S341000

Reexamination Certificate

active

07619074

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

REFERENCES:
patent: 3912712 (1975-10-01), Peter et al.
patent: 3915952 (1975-10-01), Sailer et al.
patent: 5735941 (1998-04-01), Feeman et al.
patent: 5998590 (1999-12-01), Feeman et al.
patent: 6130319 (2000-10-01), Feeman et al.
Google search results for “qualter salt”, Dec. 18, 2008.

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