Klaus Hunger

Person

Kelkheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Bisdiazonium salts of 4,4'-diamino-3,3'-dialkoxybiphenyls and a pro...
- Patent number 4,987,221
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Hasso Hertel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
4,4'-diaminodiphenyl compounds, process for their preparation and t...
- Patent number 4,987,258
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Klaus Hunger
Information Patent Grant
Water-soluble aminonaphthol disazo dyestuffs, their preparation and...
- Patent number 4,973,672
- Issue date Nov 27, 1990
- Cassella Aktiengesellschaft
- Wolfgang Bauer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of a monoazo acetoacetylaminobenzimidaz...
- Patent number 4,906,735
- Issue date Mar 6, 1990
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for improving the application properties of disazo pigments
- Patent number 4,720,541
- Issue date Jan 19, 1988
- Hoechst Aktiengesellschaft
- Wolfgang Rieper
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing water-insoluble blue azo dyes on the fiber: h...
- Patent number 4,696,675
- Issue date Sep 29, 1987
- Hoechst Aktiengesellschaft
- Hasso Hertel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Disazo compounds derived from acetoacetylamino-benzimidazol-2-ones
- Patent number 4,686,287
- Issue date Aug 11, 1987
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amino compounds derived from 5-acetoacetylamino-benzimidazolones
- Patent number 4,677,200
- Issue date Jun 30, 1987
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Diaryl pigments with improved heat stability obtained by coupling b...
- Patent number 4,665,163
- Issue date May 12, 1987
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo pigments obtained by diazotizing in a dipolar aprotic organic s...
- Patent number 4,607,096
- Issue date Aug 19, 1986
- Hoechst Aktiengesellschaft
- Josef Landler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for improving the application properties of pigment yellow 13
- Patent number 4,589,921
- Issue date May 20, 1986
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo compounds derived from 3-nitro-4-amino-benzoates and 5-(2'-...
- Patent number 4,555,568
- Issue date Nov 26, 1985
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds deriving from amino benzoic acid anilides and acetoac...
- Patent number 4,504,416
- Issue date Mar 12, 1985
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo pigment having improved hiding power and a process for its prep...
- Patent number 4,476,052
- Issue date Oct 9, 1984
- Farbwerke Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
1,3,4-Oxadiazoles
- Patent number 4,405,793
- Issue date Sep 20, 1983
- Hoechst Aktiengesellschaft
- Otto Fuchs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monoazo pigment derived from acetoacetylamino benzimidazolone
- Patent number 4,370,269
- Issue date Jan 25, 1983
- Hoechst Aktiengesellschaft
- Friedrich W. Weingarten
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo compounds derived from meta-amino-benzoic acid anilides and...
- Patent number 4,368,155
- Issue date Jan 11, 1983
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds deriving from amino benzoic acid anilides and acetoac...
- Patent number 4,302,389
- Issue date Nov 24, 1981
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo compounds deriving from meta-amino-benzoic acid anilides an...
- Patent number 4,302,388
- Issue date Nov 24, 1981
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivatives...
- Patent number 4,287,122
- Issue date Sep 1, 1981
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pigments of mixtures of methoxynitrobenzene-azo-methoxy-acetanilides
- Patent number 4,251,441
- Issue date Feb 17, 1981
- Hoechst Aktiengesellschaft
- Heinrich Frolich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments
- Patent number 4,195,020
- Issue date Mar 25, 1980
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of azo pigments by diazotizing in a dip...
- Patent number 4,182,708
- Issue date Jan 8, 1980
- Hoechst Aktiengesellschaft
- Josef Landler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Diamino-benzanilide disazo coloring agents
- Patent number 4,169,830
- Issue date Oct 2, 1979
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azamethine-CU complex compounds, process for their preparation and...
- Patent number 4,150,046
- Issue date Apr 17, 1979
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fiber reactive monoazo dyestuffs containing a --SO.sub.2 --CH.sub.2...
- Patent number 4,139,527
- Issue date Feb 13, 1979
- Hoechst Aktiengesellschaft
- Fritz Meininger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-insoluble azomethine compounds
- Patent number 4,131,733
- Issue date Dec 26, 1978
- Hoechst Aktiengesellschaft
- Klaus Hunger
- C07 - ORGANIC CHEMISTRY

Klaus Hunger

Person

Patents Grantslast 30 patents

Bisdiazonium salts of 4,4'-diamino-3,3'-dialkoxybiphenyls and a pro...

4,4'-diaminodiphenyl compounds, process for their preparation and t...

Water-soluble aminonaphthol disazo dyestuffs, their preparation and...

Process for the manufacture of a monoazo acetoacetylaminobenzimidaz...

Process for improving the application properties of disazo pigments

Process for preparing water-insoluble blue azo dyes on the fiber: h...

Disazo compounds derived from acetoacetylamino-benzimidazol-2-ones

Amino compounds derived from 5-acetoacetylamino-benzimidazolones

Diaryl pigments with improved heat stability obtained by coupling b...

Azo pigments obtained by diazotizing in a dipolar aprotic organic s...

Process for improving the application properties of pigment yellow 13

Monoazo compounds derived from 3-nitro-4-amino-benzoates and 5-(2'-...

Azo compounds deriving from amino benzoic acid anilides and acetoac...

Azo pigment having improved hiding power and a process for its prep...

1,3,4-Oxadiazoles

Monoazo pigment derived from acetoacetylamino benzimidazolone

Monoazo compounds derived from meta-amino-benzoic acid anilides and...

Azo compounds deriving from amino benzoic acid anilides and acetoac...

Monoazo compounds deriving from meta-amino-benzoic acid anilides an...

Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivatives...

Pigments of mixtures of methoxynitrobenzene-azo-methoxy-acetanilides

Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments

Process for the preparation of azo pigments by diazotizing in a dip...

Diamino-benzanilide disazo coloring agents

Azamethine-CU complex compounds, process for their preparation and...

Fiber reactive monoazo dyestuffs containing a --SO.sub.2 --CH.sub.2...

Water-insoluble azomethine compounds