C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/248, 400/700
C07D 471/04 (2006.01) C08K 5/00 (2006.01) C08K 5/34 (2006.01) C08K 5/3437 (2006.01) C09B 57/00 (2006.01)
Patent
CA 1305477
3-16113/+ Use of pyridoquinolone derivatives as pigments Abstract of the Disclosure Process for mass-colouring high molecular weight or- ganic material, which comprises using a compound of the formula I Image (I) in which one of R1 and R2 and one of R3 and R4 are, inde- pendently of each other, hydrogen, C1-C12-alkyl or benzyl and the other two radicals are, independently of each other, unsubstituted or halogen-, trifluoromethyl-, cyano-, C1-C12- alkyl-, -OR5-, -SR5-, -COR6- or -SO2R6-substituted phenyl, biphenyl or naphthyl or a 5- or 6-membered aromatic hetero- cyclic ring containing one or more identical or different hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur without or with one or two fused-on ben- zene rings, R5 is hydrogen or C1-C12-alkyl, R6 is C1-C12- alkyl, and X and Y are independently of each other hydrogen, halogen or cyano. The invention also relates to new pyridoquinolones of the formula I. The colourings obtained with (I) have a yellow hue, a very high tinctorial strength which does not significantly change even in the event of prolonged processing and resi- dence times, high saturation, high dispersibility, good over- painting, migration, wet, rub, light and weather resistance and in particular excellent heat stability.
549454
Iqbal Abul
Jaffe Edward E.
Rochat Alain C.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
Iqbal Abul
Jaffe Edward E.
Rochat Alain C.
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