Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate
2005-08-16
2005-08-16
Powers, Fiona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
C534S699000, C008S466000, C008S681000, C008S685000
Reexamination Certificate
active
06930178
ABSTRACT:
The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.The present invention relates to a 1:2 chromium complex dye of formula (I):wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
REFERENCES:
patent: 2933488 (1960-04-01), Biedermann et al.
patent: 3756771 (1973-09-01), Beffa
patent: 4416816 (1983-11-01), Grossmann
patent: 4469485 (1984-09-01), Grossmann
patent: 4618673 (1986-10-01), Dore
patent: 4820309 (1989-04-01), Holliger
patent: 5008379 (1991-04-01), Holliger
patent: 5123930 (1992-06-01), Bitterli
patent: 5283325 (1994-02-01), Bitterli
patent: 5401834 (1995-03-01), Koerte
patent: 5667534 (1997-09-01), Lehmann et al.
patent: 5853431 (1998-12-01), Korte
patent: 6210448 (2001-04-01), Korte
patent: 0718374 (1996-06-01), None
patent: 1232916 (1960-10-01), None
patent: 1585581 (1970-01-01), None
Nusser Rainer
Pedrazzi Reinhard
Schoefberger Georg
Bisulca Antohony A.
Clariant Finance (BVI) Limited
Powers Fiona T.
LandOfFree
1:2 chromium complex dyes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with 1:2 chromium complex dyes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 1:2 chromium complex dyes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3453884