Inventor
BUEHLER ULRICH
DE57 patents
⚠️ This page may combine multiple inventors who share the name “BUEHLER ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASSELLA FARBWERKE MAINKUR AG
33 patentsUS4325870AApr 20, 1982
Process for the preparation of 2,6-diaminopyridine-azo dyestuffs and of their precursors
CASSELLA FARBWERKE MAINKUR AG25 citations82
US4417897ANov 29, 1983
Process for preparing burn-out effects on textile materials
CASSELLA FARBWERKE MAINKUR AG23 citations80
US5071443ADec 10, 1991
Blue azo dyestuff mixture for strong blue color on hydrophobic fibers
CASSELLA FARBWERKE MAINKUR AG8 citations73
US4430090AFeb 7, 1984
Process for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings with cyano-nitro-amino-azo dyes
CASSELLA FARBWERKE MAINKUR AG8 citations73
US4406661ASep 27, 1983
Process for dyeing and printing synthetic, hydrophobic fibre material with dischargeable azo disperse dye
CASSELLA FARBWERKE MAINKUR AG11 citations73
US4937325AJun 26, 1990
Process for dyeing and printing synthetic fibers with mixtures of monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG7 citations72
US4386935AJun 7, 1983
Process for producing discharge reserve prints on textile materials with amino-azo-benzene dyes
CASSELLA FARBWERKE MAINKUR AG8 citations72
US5174792ADec 29, 1992
Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds
CASSELLA FARBWERKE MAINKUR AG7 citations71
US4582509AApr 15, 1986
Mixtures of monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG7 citations71
US4421516ADec 20, 1983
Process for preparing discharge resist prints on hydrophobic textile materials
CASSELLA FARBWERKE MAINKUR AG7 citations71
US4420308ADec 13, 1983
Process for the production of reserve effects on polyester textiles and polyester/cellulose mixed fibre textiles: discharge printing with disperse azo dye with alkyl or alkoxy carbonyl, cyand and hydroxy phenyl group
CASSELLA FARBWERKE MAINKUR AG8 citations71
US4795807AJan 3, 1989
Preparation of azo dyestuffs by diazotization and coupling in the presence of an ester
CASSELLA FARBWERKE MAINKUR AG13 citations70
US4381262AApr 26, 1983
Water-insoluble azo dyestuffs, their manufacture and their use
CASSELLA FARBWERKE MAINKUR AG7 citations70
US4812143AMar 14, 1989
Liquid formulations of disperse dyestuffs containing inorganic oxides or silicates for dyeing textile materials
CASSELLA FARBWERKE MAINKUR AG4 citations63
US4225716ASep 30, 1980
Process for the manufacture of 2,6-dichloropyridine derivatives
CASSELLA FARBWERKE MAINKUR AG4 citations63
US5466791ANov 14, 1995
Monoazo dyes, their preparation and use
CASSELLA FARBWERKE MAINKUR AG3 citations62
US5174791ADec 29, 1992
Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye
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
US4772292ASep 20, 1988
Mixture of yellow disperse dyestuffs containing pyridone disazo dye
CASSELLA FARBWERKE MAINKUR AG7 citations62
US4769449ASep 6, 1988
Red mono-azo water-soluble dye containing cyano, amide and amino substituents
CASSELLA FARBWERKE MAINKUR AG1 citations62
US4567252AJan 28, 1986
Water-insoluble naphthol monoazo dyestuff
CASSELLA FARBWERKE MAINKUR AG5 citations62
US4398913AAug 16, 1983
Process for producing discharge reserve prints on textile materials
CASSELLA FARBWERKE MAINKUR AG2 citations61
US4985043AJan 15, 1991
Mixtures of monoazo dyes containing halogen and cyano substituents
CASSELLA FARBWERKE MAINKUR AG5 citations60
US4552953ANov 12, 1985
Water-insoluble monoazo dyestuffs, their preparation and their use
CASSELLA FARBWERKE MAINKUR AG2 citations60
US5093307AMar 3, 1992
Use of water-insoluble monoazo dyes of the formula i
CASSELLA FARBWERKE MAINKUR AG4 citations58
US4431585AFeb 14, 1984
Water-insoluble azo dyestuffs, processes for their manufacture and their use for dyeing and printing synthetic hydrophobic fiber material
CASSELLA FARBWERKE MAINKUR AG6 citations58
US4472307ASep 18, 1984
Preparation of anilino azo carbazole dyestuffs prepared by diazotization by nitrosylsulphuric acid in acetic acid
CASSELLA FARBWERKE MAINKUR AG5 citations57
US5216140AJun 1, 1993
Monoazo dye and preparation and use thereof
CASSELLA FARBWERKE MAINKUR AG0 citations52
US4985045AJan 15, 1991
Mixtures of mon-azo dyestuffs for dyeing and printing hydrophobic synthetic fiber materials
CASSELLA FARBWERKE MAINKUR AG0 citations52
US4505856AMar 19, 1985
Azo dyestuff dischargeable to white
CASSELLA FARBWERKE MAINKUR AG1 citations52
US5160495ANov 3, 1992
2-cyano-4,6-dimitro-phenyl monoazo dyestuffs
CASSELLA FARBWERKE MAINKUR AG1 citations51
HOECHST MITSUBISHI KASEI
6 patentsUS5415669AMay 16, 1995
Dye mixtures for the dyeing of textile hydrophobic fibre materials
HOECHST MITSUBISHI KASEI9 citations73
US5389109AFeb 14, 1995
Process for the preparation of thermomigration-resistant dyeings
HOECHST MITSUBISHI KASEI2 citations63
US5292872AMar 8, 1994
Monoazo dispersed dyes, mixtures containing them, and the preparation and the use thereof
HOECHST MITSUBISHI KASEI5 citations63
US5474579ADec 12, 1995
Mixtures of monoazo dyes
HOECHST MITSUBISHI KASEI1 citations52
US5248314ASep 28, 1993
High temperature dyeing of polyester and polyester-containing textile materials with cyano group containing azo dye
HOECHST MITSUBISHI KASEI1 citations52
US5425785AJun 20, 1995
Process for dyeing polyester and polyester-containing textile materials
HOECHST MITSUBISHI KASEI0 citations51
DYSTAR JAPAN LTD
4 patentsUS5922089AJul 13, 1999
Method of dyeing polyester and polyester-containing textile materials
DYSTAR JAPAN LTD4 citations63
US5639282AJun 17, 1997
Process for dyeing polyester and polyester-containing textile materials
DYSTAR JAPAN LTD6 citations63
US5902356AMay 11, 1999
Textile dye preparations
DYSTAR JAPAN LTD3 citations59
US5760197AJun 2, 1998
Hydroxyquinolone monoazo dyestuffs, their preparation and use
DYSTAR JAPAN LTD1 citations52
CASSELLA AG
3 patentsUS5279621AJan 18, 1994
High temperature dyeing of polyester and polyester-containing textile materials under alkaline conditions
CASSELLA AG2 citations63
US5428138AJun 27, 1995
Red 2,6-dicyanophenylazo dyes and the preparation and use thereof
CASSELLA AG2 citations62
US5037962AAug 6, 1991
β-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-propionylamino-4-N-ethylamino-5-(2-methoxy-ethoxy)benzene, its preparation and its use
CASSELLA AG0 citations51
BAYER AG
1 patentHOECHST AG
1 patentHOECHST MITSUBISHI KASEI COMPA
1 patentBUEHLER ULRICH
1 patentShowing the top 50 of 57 patents by PatentIndex Score.