Rutger Neeff

Heterocyclic azo dyes and pigments containing 4-quinazolinone moieties

Red azine pigment

Process for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereof

Anthraquinone dyes, process for their preparation, their use, as well as liquid-crystal material containing anthraquinone dyes

Über cyclische Sulfimidester, II. Derivate des Diamino‐Benzochinons

Process for the preparation of 1,4-diamino-2,3-dicyano-anthraquinones

Exhaust process for the dyeing of synthetic fibre materials

CONTINUOUS DYEING OF POLYESTER FIBRES WITH AZO DYESTUFFS SOLUBLE IN WATER-IMMERSCIBLE HALOGENATED HYDROCARBONS

Aryl-mercapto anthraquinone dyestuffs, their preparation and use and dichroic material containing aryl-mercapto anthraquinone dyestuffs

Anthraquinone dyestuffs, processes for their preparation, their use, and liquid-crystalline materials containing anthraquinone dyestuffs