Inventor
ZEIDLER GEORG
DE24 patents
Patents
24 patentsUS5266227ANov 30, 1993
Oil-soluble phenylazoaniline dyes
BASF AG27 citations92
US5827332AOct 27, 1998
Azo dyes and a method of making a hydrocarbon using an azo dye
BASF AG19 citations91
US5182372AJan 26, 1993
Aniline-based oil-soluble azo dyes
BASF AG27 citations91
US4473376ASep 25, 1984
Dye mixtures of azo compounds soluble in organic solvents
BASF AG20 citations82
US4250090AFeb 10, 1981
2-Amino-5-arylazoarylazothiazole compounds
BASF AG7 citations74
US4210414AJul 1, 1980
Dye mixtures for coloring mineral oil products
BASF AG14 citations74
US5104979AApr 14, 1992
Polyazo dyes with diazo components of the aminophenol and the amino diphenyl-sulfide, -sulfoxide or -sulfone series
BASF AG7 citations73
US4479906AOct 30, 1984
Trisazo dye
BASF AG16 citations73
US4315756AFeb 16, 1982
Oil-soluble azo dye with N-substituted β-naphthylamine as coupling component
BASF AG15 citations73
US5205838AApr 27, 1993
Liquid dye preparations: bis phenyl-azo-resorcinol in solvent for colored ribbon or ball pen ink
BASF AG9 citations72
US5411556AMay 2, 1995
Dyeing leather with a red azo dye
BASF AG3 citations63
US5247071ASep 21, 1993
Preparation of acetalized azo dyes
BASF AG4 citations63
US4638055AJan 20, 1987
Iron, copper and chromium complexes of disazo dyes
BASF AG3 citations63
US4547566AOct 15, 1985
Copper, cobalt, nickel and iron complexes of disazo dyes
BASF AG4 citations63
US4483795ANov 20, 1984
Substituted phenyl disazo dyes containing a 2-amino-substituted thiazole radical
BASF AG2 citations63
US4372885AFeb 8, 1983
Bisazo dyes containing a 2-amino-substituted thiazole radical
BASF AG1 citations63
US4327019AApr 27, 1982
Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic acid diazo component
BASF AG2 citations63
US5320647AJun 14, 1994
Fluent polyazo dye preparations and method of dying leather or wool therewith
BASF AG6 citations62
US4563520AJan 7, 1986
Metal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or amino
BASF AG4 citations62
US4491543AJan 1, 1985
Dis-, tris-, and tetrakisazo compounds containing resorcinol, sulfonylamino, and two or three sulfonic acid groups
BASF AG4 citations62
US4285860AAug 25, 1981
Trisazo or tetrakisazo dyes containing a heterocyclic group
BASF AG5 citations61
US4521216AJun 4, 1985
Disazo dyes
BASF AG3 citations60
US4378969AApr 5, 1983
Fluid formulations of oxidation dyes for mineral oil products, fats and waxes
BASF AG3 citations59
US5470959ANov 28, 1995
Polyazo dyes having a diazo component of the aminobenzophenone series
BASF AG0 citations52