Inventor
FUCHS HERMANN
DE26 patents
Patents
26 patentsUS5132431AJul 21, 1992
Process for the continuous preparation of imidoperoxycarboxylic acids
HOECHST AG55 citations94
US4036825AJul 19, 1977
Monoazo reactive dyestuffs
HOECHST AG27 citations82
US4134887AJan 16, 1979
Phenyl-azo-phenyl dyestuffs
HOECHST AG24 citations81
US4074967AFeb 21, 1978
Dyestuff preparations for dyeing and printing natural and synthetic polyamide fibre materials
HOECHST AG20 citations81
US4066638AJan 3, 1978
Water-soluble fiber reactive phenyl-azo-naphthyl dyestuffs containing two sulfo groups in the phenyl moiety
HOECHST AG24 citations81
US3951944AApr 20, 1976
Fiber-reactive, water-soluble disazo dyes containing an N-B-sulfoethylamide group
HOECHST AG8 citations74
US3939140AFeb 17, 1976
Process for the preparation of a dyestuff consisting substantially of only unsymmetrical 1:2-chromium complex azo dyestuffs
HOECHST AG9 citations74
US4652634AMar 24, 1987
Water-soluble monoazo compounds containing a N-(sulfoalkyl)-aniline coupling component and a fiber-reactive group of the vinylsulfonyl series in the phenyl or benzothiazole diazo component, suitable as fiber-reactive dyestuffs
HOECHST AG12 citations73
US4430259AFeb 7, 1984
Water-soluble disazo compounds suitable as fiber-reactive dyestuffs
HOECHST AG13 citations73
US5693867ADec 2, 1997
Process for isolating tetraphenylborates
HOECHST AG6 citations72
US5208365AMay 4, 1993
Process for the preparation of 2,5-di(phenylamino)-terephthalic acid and its dialkyl esters in high purity
HOECHST AG10 citations72
US4118381AOct 3, 1978
1:2 Cobalt complex phenol-acetoacetanilide benzene disazo dyestuffs
HOECHST AG7 citations72
US4992589AFeb 12, 1991
Substituted phenyl hydroxyethyl sulfones, and process for their preparation
HOECHST AG11 citations71
US4785098ANov 15, 1988
Water-soluble triphendioxazine compounds
HOECHST AG5 citations63
US4576755AMar 18, 1986
Water-soluble fibre-reactive phthalocyanine compounds
HOECHST AG5 citations62
US4372892AFeb 8, 1983
Process for the preparation of 1-aminobenzene-5-β-sulfatoethylsulfone-2,4-disulfonic acid, the 5-vinylsulfone compound and the alkali salts thereof
HOECHST AG4 citations62
US5347038ASep 13, 1994
Process of the preparation of 2,5-di-phenylamino-terephthalic acid and its dialkyl esters in a high purity
HOECHST AG3 citations61
US4534908AAug 13, 1985
Water-soluble disazo compounds and new bis-(aminophenoxy)-ethane compounds having fiber-reactive groups as the tetrazo components, and use of the disazo compounds as dyestuffs
HOECHST AG4 citations61
US4394310AJul 19, 1983
1-Amino-2-sulfo-(4'-pyrazolonyl-phenyl)-aminoanthraquinone compounds and a process for their preparation
HOECHST AG6 citations61
US4113719ASep 12, 1978
1:2-Cobalt-complex azo dyestuffs having an acetoacetylamino diphenylamino coupler
HOECHST AG2 citations61
US4052157AOct 4, 1977
Use of water-soluble disazo dyestuffs for dyeing or printing synthetic textile material of polyamide or polyurethane fibers
HOECHST AG5 citations61
US5600003AFeb 4, 1997
Process for isolating tetraphenylborates
HOECHST AG4 citations59
US3930795AJan 6, 1976
Process for the level dyeing of wool
HOECHST AG5 citations57
US4194883AMar 25, 1980
Water-soluble disazo dyestuffs and process for coloring synthetic polyamide fibres with them
HOECHST AG1 citations50
US4145339AMar 20, 1979
Water-soluble 1:2-cobalt complex dyestuffs of an azomethine and of an azo compound
HOECHST AG1 citations50
US3937611AFeb 10, 1976
Process for the level dyeing of wool
HOECHST AG1 citations47