Inventor
STEUERNAGEL HANS H
DE8 patents
⚠️ This page may combine multiple inventors who share the name “STEUERNAGEL HANS H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
6 patentsUS4334076AJun 8, 1982
Process for the preparation of sulfuric acid semiester ethylsulfonyl compounds of aminophenols, aminobenzanilides or phenylpyrazolones by esterification with sulfuric acid and/or sulfur trioxide in a kneader
HOECHST AG7 citations73
US4315865AFeb 16, 1982
Process for the production of sulfuric acid semiester compounds by sulfation in a machine employing kneading action
HOECHST AG10 citations72
US4191703AMar 4, 1980
Process for the manufacture of sulfuric acid semi-ester compounds
HOECHST AG2 citations61
US4948917AAug 14, 1990
Process for the preparation of beta-chloroethylsulfonylaryl isocyanates
HOECHST AG3 citations60
US4906738AMar 6, 1990
Water-soluble phenyl- or naphthyl-azo-carboxypyrazolone compounds, containing a fiber-reactive group with a chloratriazinyl moiety and a group of the vinylsulfone series in the pyrazolone coupling component, suitable as dyestuffs
HOECHST AG3 citations60
US4252529AFeb 24, 1981
Copper, cobalt or chromium complex monoazo compounds, processes for their manufacture, their use as dyestuffs and fiber materials dyed with these dyestuffs
HOECHST AG1 citations49