Inventor

HERTEL HASSO

19 patents

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

HERTEL HASSO

HOECHST AG

Process for dyeing textile material of polyester fiber/cellulose blends

Compositions of nitro-anilines for producing azo dyes on fibers

Aqueous dispersions of primary aromatic amines, their use for the production of water-insoluble azo dyes on the fiber and the use of an anionic surfactant for the manufacture of said dispersions

Process for the production of water-insoluble azo dyestuffs on the fiber

Dyeing preparations containing boric acid for preparing water-insoluble azo dyestuffs on fiber

Process for the printing with developing dyes

Process for the printing of cellulose containing textile material

Process for the dyeing and printing of cellulose-containing textile materials

Concentrated solutions of water-insoluble coupling components

Concentrated stable solutions of coupling components for the ice color dyeing, their preparation and use

Process for the production of water-insoluble azo dyestuffs on the fiber with polyphosphate

Process for the preparation of acid nitro dyestuffs

Process for preparing acid nitro dyestuffs for leather

Process for the production of water-insoluble azo dyestuffs on the fiber

Stable and storable aqueous dispersions of primary aromatic amines, their preparation and use

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

Process for printing with developing dyes which employs having ether substituents derived from glycols, polyglycols, or alkoxy derivatives thereof

HERTEL HASSO

Process for the preparation of water-insoluble azo dyes on the fiber: impregnating with coupling component and treating with diazonium salt of 4-chloro-2,5-dialkoxy aniline

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