Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate
2005-05-31
2005-05-31
Powers, Fiona T (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
C008S549000
Reexamination Certificate
active
06900294
ABSTRACT:
The present invention relates to reactive dyes of the general formula (1)whereY is a heterocyclic reactive group of the general formula (2) or (3)where X1to X5are each as defined in claim 1, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
REFERENCES:
patent: 5789557 (1998-08-01), Dornhagen et al.
patent: 6410698 (2002-06-01), Prechtl et al.
patent: 19810906 (1999-09-01), None
patent: 0 922 735 (1999-06-01), None
patent: 96/10610 (1996-04-01), None
patent: 97/25377 (1997-07-01), None
patent: 99/47608 (1999-09-01), None
Meier Stefan
Russ Werner
Wörner Jörg
Connolly Bove & Lodge & Hutz LLP
DyStar Textilfarben GmbH & Co. Deutschland KG
Powers Fiona T
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