Inventor

HUNGER KLAUS

36 patents

⚠️ This page may combine multiple inventors who share the name “HUNGER KLAUS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUNGER KLAUS

HOECHST AG

1,3,4-Oxadiazoles

Process for the manufacture of a monoazo acetoacetylaminobenzimidazolone

Disazo compounds derived from acetoacetylamino-benzimidazol-2-ones

Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments

Phthalocyanine dyestuffs and process for preparing them

Disazo pigments derived from 3,8-diamino-phenanthridone-(10)

Modified form of a disazo pigment

Azo compounds deriving from amino benzoic acid anilides and acetoacetylamino-benzimidazolone

Diaryl pigments with improved heat stability obtained by coupling bis-diazotized diamines with acetoacetanilides

Azo pigment having improved hiding power and a process for its preparation

4,4&#39;-diaminodiphenyl compounds, process for their preparation and their use

Monoazo pigment derived from acetoacetylamino benzimidazolone

Amino compounds derived from 5-acetoacetylamino-benzimidazolones

Diamino-benzanilide disazo coloring agents

Fiber reactive monoazo dyestuffs containing a --SO2 --CH2 --CH2 --O--PO3 H2 group

Azamethine metal complex compounds

Water-soluble reactive naphthylazonaphthyl dyestuffs

Novel aromatic aldehydes and process for preparing them

Disazo compounds from diphenylene sulfones and acetoacetylbenzimidazolones

Novel form of the disazo pigment from bisdiazotized 3,3&#39;-dichlorobenzidine and 1-(p-tolyl)-3-methylpyrazol-5-one

Monoazo compounds deriving from meta-amino-benzoic acid anilides and acetoacetyl amino-benzimidazolone

Process for the preparation of azo pigments by diazotizing in a dipolar aprotic organic solvent and azo pigments obtained therefrom

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

3-Amino-4-carboalkoxy-benzoic acid 4&#39;-phenoxy-anilides

Azo pigments obtained by diazotizing in a dipolar aprotic organic solvent

Water-insoluble azomethine compounds

Aldehydes of 2-hydroxy-naphthalene-3-carboxylic acid arylides

Water-insoluble colorants, process for preparing them and their use

Naphthylazo naphthyl copper complex dyestuffs

Process for improving the application properties of pigment yellow 13

Bisdiazonium salts of 4,4&#39;-diamino-3,3&#39;-dialkoxybiphenyls and a process for their preparation

Process for preparing water-insoluble blue azo dyes on the fiber: hydroxynaphthoic amide and diazotized di-alkoxy-benzidine

Monoazo compounds derived from meta-amino-benzoic acid anilides and acetoacetylamino-benzimidazolone

Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic acid-4&#39;-phenoxy anilides and 2-hydroxy-3-naphthoic acid-4&#39;-benzoylamino anilides

Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivatives and their use as colorants

CASSELLA FARBWERKE MAINKUR AG

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

4,4'-diaminodiphenyl compounds, process for their preparation and their use

Novel form of the disazo pigment from bisdiazotized 3,3'-dichlorobenzidine and 1-(p-tolyl)-3-methylpyrazol-5-one

3-Amino-4-carboalkoxy-benzoic acid 4'-phenoxy-anilides

Bisdiazonium salts of 4,4'-diamino-3,3'-dialkoxybiphenyls and a process for their preparation

Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic acid-4'-phenoxy anilides and 2-hydroxy-3-naphthoic acid-4'-benzoylamino anilides