Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-02-23
1983-07-12
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260157, 260208, C07C10700, C09B 4300
Patent
active
043929982
ABSTRACT:
In the preparation of a quaternized dyestuff of the formula ##STR1## in which R.sup.1 and R.sup.2 each is an optionally substituted alkyl, alkenyl or aralkyl radical,
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Bayer Aktiengesellschaft
Higel Floyd D.
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