Inventor
LOTSCH WOLFGANG
25 patents
Patents
25 patentsUS4166179AAug 28, 1979
Manufacture of organic pigments
BASF AG23 citations82
US4845214AJul 4, 1989
Process for conditioning isoindoline pigments
BASF AG16 citations73
US4719300AJan 12, 1988
Isoindoline colorants
BASF AG6 citations73
US4645539AFeb 24, 1987
Transparent isoindoline pigment having a high color strength
BASF AG7 citations73
US4525591AJun 25, 1985
2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted isoindoline dyes and their use
BASF AG8 citations73
US4480097AOct 30, 1984
Isoindoline colorants
BASF AG8 citations73
US4340735AJul 20, 1982
Isoindoline colorants
BASF AG8 citations73
US4316023AFeb 16, 1982
Isoindoline colorants
BASF AG12 citations73
US4758663AJul 19, 1988
Isoindoline compound
BASF AG9 citations71
US4271301AJun 2, 1981
Preparation of pigmentary form isoindoline
BASF AG7 citations69
US4725685AFeb 16, 1988
Novel isoindoline compounds, their metal complexes and their use as pigments
BASF AG6 citations62
US4723023AFeb 2, 1988
Isoindoline dyes
BASF AG2 citations62
US4707548ANov 17, 1987
Bisisoindoline pigments
BASF AG3 citations62
US4599113AJul 8, 1986
Isoindoline pigment having a high color strength
BASF AG6 citations62
US4401815AAug 30, 1983
Isoindoline colorants
BASF AG6 citations62
US4356123AOct 26, 1982
Sparingly soluble isoinodoline colorants
BASF AG2 citations62
US4352932AOct 5, 1982
Isoindoline colorants
BASF AG2 citations62
US4311527AJan 19, 1982
Isoindoline colorants
BASF AG3 citations62
US4016151AApr 5, 1977
Phenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone series
BASF AG6 citations62
US4785114ANov 15, 1988
Quinophthalone dyes
BASF AG5 citations61
US4371735AFeb 1, 1983
Preparation of pigments having improved technological properties
BASF AG4 citations60
US4398027AAug 9, 1983
Preparation of pigmentary form isoindoline
BASF AG4 citations58
US4271309AJun 2, 1981
Isoindoline colorants
BASF AG1 citations52
US4746740AMay 24, 1988
Isoindoline colorants
BASF AG1 citations51
US4412949ANov 1, 1983
Pigments comprising cyanomethylquinazolones coupled to diazo compounds prepared from 1-aminoanthroquinones
BASF AG0 citations51