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US 5,028,643 AGranted
Tetrabenzodiazadiketoperylene pigment
AssigneeCiba-Geigy Corporation
InventorEdward E. Jaffe
Life of this patent
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Abstract
5,15-Diaza-5b, 15b-dihydrotetrabenzo[a,g,j,p] perylene-6,16-dione, a process for the preparation thereof and its suitability for use as a pigment for coloring a wide variety of organic materials.
Claims5
5,15-Diaza-5,15b-dihydrotetrabenzo[a,g,j,p] perylene-6,16-dione.
Di(C.sub.1 -C.sub.3 alkyl) 6,13-dihydro-7,14-diphenylbenzo-[b]-quinolino-[2,3-j]quinoline-6,13-dicarb oxylate.
Dependencies are inferred from the claim text.