Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1978-10-23
1981-01-13
Jiles, Henry R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D31116
Patent
active
042448727
ABSTRACT:
Disclosed are cationic dyestuffs being coumarin or coumarinimide derivatives free from sulpho groups, bearing a 7-amino group and being characterized by having, in the 3-position, a cationic group of formula (a), ##STR1## in which A.sup..crclbar. signifies an anion,
either
REFERENCES:
patent: 3985772 (1976-10-01), Scheuermann et al.
Gertisser Berthold
Henzi Beat
Doyle Thomas C.
Jiles Henry R.
Ramsuer R. W.
Sandoz Ltd.
Sharkin Gerald D.
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