Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-12-03
1995-02-21
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546 18, 544128, C07D40104, C07D40102
Patent
active
053917480
ABSTRACT:
The present invention relates to dihydroquinolines of formula (I): ##STR1## in which the symbols used are as defined in the description, to a process for their preparation, to their use in recording materials and to recording materials in which such dihydroquinolines are present.
REFERENCES:
patent: 3833400 (1974-09-01), Matsukawa
patent: 4835270 (1989-05-01), Berneth
patent: 5246606 (1993-09-01), Evans
Bayer Aktiengesellschaft
Ivy C. Warren
M. Mach D. Margaret
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