Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-09-13
1979-09-11
Wheeler, David E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 40R, 260 4214, 260 4221, 260 4245, 260 4248, 106288Q, 8 1D, 546 36, 546 51, 546 70, 544125, C07D47106
Patent
active
041675061
ABSTRACT:
A group of novel polynuclear heterocyclic compounds having a diazaphenalene skeleton. These compounds assume orange to reddish violet colors according to the types of substituents on the diazaphenalene skeleton, and have excellent thermal stability and weatherability and good dispersibility in polymeric materials. They are useful as orange to reddish violet pigments, especially for coloring polymeric materials.
Harada Toshiaki
Koga Masahiro
Minematsu Hiroyoshi
Nagahama Shizuo
Shimada Keizo
Teijin Limited
Wheeler David E.
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