Inventor

STECKELBERG WILLI

21 patents

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

STECKELBERG WILLI

HOECHST AG

Quaternary ammonium compounds and their use in hair care compositions

Fabric softeners

Secondary etheramine acetates and their use as lubricating agents for synthetic fibers

Process for the dyeing of synthetic fiber materials from organic solvents

Process for the dyeing of synthetic fiber materials from organic solvents

Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups

Process for the dyeing and printing of hydrophobic synthetic organic fiber materials with water-insoluble azo dyestuffs

Process for the dyeing of synthetic fibrous materials from organic solvents using azo dyes

Process for the dyeing of synthetic fibrous material from organic solvents

CASSELLA FARBWERKE MAINKUR AG

Polycondensates containing phosphinic and phosphonic acid groups

Aqueous formulation of 1,2-benzisothiazolin-3-one

Water-soluble trisazo dyes

Water-soluble yellow monoazo dyestuffs

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

N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their preparation and their use

CASSELLA AG

Water-soluble sulphur dyes, their preparation and use

Process for the preparation of N-substituted nitro-p-phenylenediamines

Process for preparing 2,5-dichlorophenylthioglycollic acid

Water-insoluble sulphur dyes, their preparation and use

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

Water-insoluble sulphur dyes, their preparation and use