Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-07-31
1976-01-06
Daus, Donald G.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2602471L, 2602472B, 2602564C, 2602565R, C07D23900
Patent
active
039311821
ABSTRACT:
Lactones of the diazaxanthene series, their manufacture from a benzoylbenzoic acid and a pyrimidine, and their use as dye-forming components in the red range for pressure-sensitive recording material.
Dunkelmann Guenter
Kast Hellmut
BASF - Aktiengesellschaft
Daus Donald G.
Turnipseed James H.
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