Fiber-reactive red azo dyestuff
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 6, 1988
Grant Date -
N/A
app pub date -
Apr 18, 1983
filing date -
Apr 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water-soluble fiber-reactive red dyestuff is disclosed which, in its free acid form, has the formula ##STR1## wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Z wherein Z is --OH, --Cl, --Br, --OSO.sub.3 H, --SSO.sub.3 H, --OPO.sub.3 H.sub.2, --O.sub.2 CCH.sub.3, --O.sub.2 CCH.sub.2 CH.sub.3 or --N(lower alkyl).sub.2. Liquid compositions of said dyestuff are also disclosed. This dyestuff yields brilliant red shades on cellulosic materials having excellent fastness properties and superior color yield and build up.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully