Inventor

RIBKA JOACHIM

64 patents

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

RIBKA JOACHIM

CASSELLA FARBWERKE MAINKUR AG

Water-soluble branched polyesters

Bisazo dyestuffs of the 2,6-diaminopyridine

Azo coupling in two-phase water-alcohol mixtures

Dyeing of polyester fabric with disazo dye

Water-soluble monoazo dyestuffs

Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component

Dyeing synthetic materials with a dodecyl benzoicacid ester-azo-(3-cyano-4-methyl-6-hydroxy-2-pyridone)

Process for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings with cyano-nitro-amino-azo dyes

Process for dyeing and printing synthetic, hydrophobic fibre material with dischargeable azo disperse dye

Polyester which is soluble or dispersible in water, a process for its preparation and its use as a levelling auxiliary, levelling auxiliaries and processes for uniform dyeing

Process for dyeing and printing synthetic hydrophobic fiber material

Branched low molecular weight polyesters levelling agents for dyestuff

Water-insoluble monoazo dyestuffs

Process for the preparation of crosslinked copolymers, the process products obtained, and their use in textile printing

Melamine resin and dye mixtures

Bisazo dyestuffs of the 2,6-diaminopyridine series

Water-soluble trisazo 8-amino-naphthol-1 dyes

Sulfo-containing phenol-formaldehyde condensates

Dyeing of mixed fibers

Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component

4-Nitro,2-alkylbenzene azo-3-cyano-4-methyl-6-hydroxy-2-pyridone dyeing of synthetic hydrophobic fibers

Water-insoluble monoazo dyestuffs

Process for producing discharge reserve prints on textile materials

Aminoplasts elasticized with benzoic acid esters

Process for the dyeing of polyamide fibers with sulphur dyestuffs

Preparation of substituted ureas

Water-insoluble azo dyestuffs

Aqueous dyestuff formulation, a process for its preparation and its use for dyeing and printing

N-Acyloyl-N-alkyl-alkylenediamines as dye levelers

HOECHST AG

Use of cross-linked polymers to increase the viscosity in cosmetic, pharmaceutical and technical compositions

Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments

Monoazo acetoacetylaminobenzimidazolone pigments containing carboxy group

Process for the purification of azo pigments by stirring an aqueous, alkaline suspension of crude pigment

Process for the level dyeing of synthetic fiber materials

Modified form of a disazo pigment

Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to heat

Dis-azo pigments deriving from bis-diazotized diamino-2-phenyl-benzazolones

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

Conditioning agent

Short liquor dyeing process for piece goods, made from cellulose fibers, in rope form

Water-insoluble yellow terephthalate-azo-acetoacetylamido-benzimidazolone dyestuffs

Mixtures of oil-soluble phenyl- and naphthyl-azo-phenyl dyestuffs

Process for dyeing evenly synthetic fibrous materials

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

Modified form of disazo pigment CI 20040

N-(aminobenzoyl)-aminoarylsulfonic acids

Monoazo pigments

CASSELLA AG

Process for the production of aminophenylaminobenzimidazoles

Process for the production of resist effects on polyester/cellulose mixed fiber textiles

Process and intermediates for preparing fiber-reactive phthalocyanine dyes

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