Inventor
KUEHN REINHARD
DE17 patents
⚠️ This page may combine multiple inventors who share the name “KUEHN REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASSELLA FARBWERKE MAINKUR AG
11 patentsUS5071443ADec 10, 1991
Blue azo dyestuff mixture for strong blue color on hydrophobic fibers
CASSELLA FARBWERKE MAINKUR AG8 citations73
US4678476AJul 7, 1987
Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester
CASSELLA FARBWERKE MAINKUR AG15 citations72
US5174792ADec 29, 1992
Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds
CASSELLA FARBWERKE MAINKUR AG7 citations71
US5466791ANov 14, 1995
Monoazo dyes, their preparation and use
CASSELLA FARBWERKE MAINKUR AG3 citations62
US4950305AAug 21, 1990
Water-insoluble monoazo dyes, their preparation and use, and mixtures of these monoazo dyes
CASSELLA FARBWERKE MAINKUR AG4 citations62
US4851012AJul 25, 1989
Mixtures of blue disperse monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG3 citations62
US4802889AFeb 7, 1989
2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate
CASSELLA FARBWERKE MAINKUR AG4 citations62
US4985043AJan 15, 1991
Mixtures of monoazo dyes containing halogen and cyano substituents
CASSELLA FARBWERKE MAINKUR AG5 citations60
US5102425AApr 7, 1992
Process for the dyeing and printing of blended fabrics made of polyester and natural fibre materials with cyano-hydroxy-methyl pyridone, azo disperse dye to reduce staining
CASSELLA FARBWERKE MAINKUR AG4 citations59
US5160495ANov 3, 1992
2-cyano-4,6-dimitro-phenyl monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG1 citations51
US5288680AFeb 22, 1994
Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics
CASSELLA FARBWERKE MAINKUR AG1 citations50
HOECHST AG
5 patentsUS5207804AMay 4, 1993
Multi-component mixtures of bright red disperse azo dyestuffs
HOECHST AG2 citations62
US4985044AJan 15, 1991
Multi-component mixtures of blue disperse azo dyes for the dyeing of synthetic fibers
HOECHST AG5 citations62
US4872882AOct 10, 1989
Dyeing formulations of mixtures of red disperse dyes for the washfast dyeing of polyester fibers or mixtures thereof with cellulose fibers: benzo-di-furanone and azo dyes
HOECHST AG6 citations62
US4750912AJun 14, 1988
Exhaust method for dyeing fine-denier polyester fibers in dark shades with disperse dye mixtures
HOECHST AG6 citations62
US4689050AAug 25, 1987
Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers
HOECHST AG4 citations62