Inventor
KRUCKENBERG WINFRIED
DE17 patents
Patents
17 patentsUS4249902AFeb 10, 1981
Dyestuff formulations
BAYER AG37 citations90
US4292239ASep 29, 1981
Benzisothiazole azo dyestuffs containing polyether groups
BAYER AG23 citations81
US4222947ASep 16, 1980
Anthrachinone dyestuffs
BAYER AG12 citations73
US4681932AJul 21, 1987
Benzoisothiazole azo dyestuffs
BAYER AG10 citations72
US3993619ANov 23, 1976
Process for dyeing polyurethane resins
BAYER AG15 citations72
US4391606AJul 5, 1983
Azo polyether dyestuffs, formulations of these dyestuffs, their preparation and their use
BAYER AG3 citations62
US4268439AMay 19, 1981
Basic azo dyestuffs having benzylammoniumamine substituent in the coupling component
BAYER AG4 citations62
US4212803AJul 15, 1980
Cationic azo dyestuffs containing oxyalkylene substituent
BAYER AG2 citations62
US4053465AOct 11, 1977
Cyanophenyl-azo-aminophenyl dyestuffs
BAYER AG4 citations62
US4342683AAug 3, 1982
Azo dyes with carboxyl polyalkyleneoxy chain moiety
BAYER AG2 citations60
US4773915ASep 27, 1988
Benzisothiazole azo dye for synthetic fibers
BAYER AG0 citations51
US4497736AFeb 5, 1985
Azo dyestuffs
BAYER AG0 citations51
US4083685AApr 11, 1978
Process for dyeing synthetic fibre materials from an organic water-immiscible solvent
BAYER AG1 citations51
US3953452AApr 27, 1976
Perinone dyestuffs
BAYER AG1 citations51
US4377390AMar 22, 1983
Acetoacetic arylide azo dyestuffs for synthetic materials, especially polyester
BAYER AG1 citations50
US4235598ANov 25, 1980
Azo dyestuffs containing a naphthalic imide coupler and polyether groups
BAYER AG1 citations44
US4143228AMar 6, 1979
Pyrazolinyl indolium dyestuffs
BAYER AG0 citations41