Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1977-01-26
1980-11-18
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260147, C09B 4502, C09B 4506, C09B 4516, D06P 110
Patent
active
042344794
ABSTRACT:
Unsymmetrical chromium mixed complex dyestuffs of the formula ##STR1## wherein R.sub.1 and R.sub.2 denote C.sub.1 -C.sub.4 -alkyl, nitrile, carbonamide or X-Z, X denotes a direct bond or a bridge member to a C atom of the rings A, B, C or D or to a 3-C atom of the pyrazoles and Z denotes SO.sub.3 H, COOH or OSO.sub.3 H and A, B, C and D can possess further substituents, are suitable for the dyeing and printing of nitrogen-containing fibrous materials in yellow shades.
REFERENCES:
patent: 1984096 (1934-12-01), Staub et al.
patent: 2826572 (1958-03-01), Kuster et al.
patent: 2832760 (1958-04-01), Zickendraht et al.
patent: 2937165 (1960-05-01), Feiss
patent: 3062806 (1962-11-01), Biedermann et al.
patent: 3621006 (1971-11-01), Jirou et al.
patent: 4029643 (1977-06-01), Koiso et al.
Mennicke Winfried
Scholl Walter
Schundehutte Karl-Heinz
Bayer Aktiengesellschaft
Higel Floyd D.
LandOfFree
Chromium mixed complex dyestuffs of phenyl-azo-pyrazole componen does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chromium mixed complex dyestuffs of phenyl-azo-pyrazole componen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chromium mixed complex dyestuffs of phenyl-azo-pyrazole componen will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-597148