Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1979-08-13
1981-10-13
Shaver, Paul F.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260162, C09B 2922
Patent
active
042947561
ABSTRACT:
Cationic dyestuffs of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another represent a lower alkyl, alkenyl or hydroxyalkyl radical,
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patent: 4101540 (1978-07-01), Coispeau
patent: 4116954 (1978-09-01), Coispeau et al.
patent: 4122278 (1978-10-01), Coispeau
patent: 4151162 (1979-04-01), Lang et al.
Bayer Aktiengesellschaft
Shaver Paul F.
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