Reactive dyes, a process for their preparation and their use

Details Reactive dyes, a process for their preparation and their use Reactive dyes, a process for their preparation and their use

2007-08-21

2007-08-21

Powers, Fiona T (Department: 1626)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C008S549000, C008S917000, C008S924000

Reexamination Certificate

active

10536679

ABSTRACT:
Reactive dyes of formula (1): wherein R1, is optionally substituted C1-C4alkyl, R2is halogen, C1-C4alkyl, C1-C4alkoxy or sulfo, Z1is a radical of formula —SO2—Y (2a), —CO—NH—(CH2)K—SO2—Y (2b), —NH—CO—CH(Hal)—CH2—Hal (2c) —NH—CO—C(Hal)═CH2or (2d) wherein Hal is chlorine or bromine, Y is vinyl or a radical —CH2CH2—U and U is a group removable under alkaline conditions, k is the number 2, 3, 4, 5 or 6, n is the number 0, 1 or 2 and m is the number 0 or 1, are suitable for dyeing or printing cellulose-containing fibre materials, preferably natural or synthetic polyamide fibre materials, and produce, with a high colour yield, dyeings and prints having good fastness properties

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker et al.
patent: 3426018 (1969-02-01), Eckersley et al.
patent: 3427308 (1969-02-01), Barben et al.
patent: 4631341 (1986-12-01), Kayane et al.
patent: 4786721 (1988-11-01), Tzikas et al.
patent: 5601622 (1997-02-01), Müller
patent: 5779740 (1998-07-01), Lehmann et al.
patent: 6063137 (2000-05-01), Scheibli et al.
patent: 0070807 (1983-01-01), None
patent: 0214093 (1987-03-01), None
patent: 0775776 (1997-05-01), None
patent: 1247842 (2002-10-01), None
patent: 1325945 (2003-07-01), None
patent: 50-157422 (1975-12-01), None
patent: 56-118975 (1981-09-01), None
patent: 57-042985 (1982-03-01), None
Derwent Abstract 12821 K/06 for EP 0070807 (1983).
Derwent Abstract 1978-23836 A [13] for JP 50157422 (1975).
Derwent Abstract 80731 D/44 for JP 56118975 (1981).

Affiliated with

Also associated with

Rating

Reactive dyes, a process for their preparation and their use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reactive dyes, a process for their preparation and their use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reactive dyes, a process for their preparation and their use will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3843331