Inventor · disambiguated record
Hans H. Steuernagel
Also filed as: HOYER ERNST · STEUERNAGEL HANS H · STEUERNAGEL HANS-HELMUT
10 granted patents·69 citations·filing 1975–1994
88Inventor score
Top patents by PatentIndex Score
10 records- 0181US4855411AWater-soluble, monoazo dyes containing a ureido group and two sulfonyl fiber-reactive groupsCRALL HUGH C·Filed 1988·Granted Aug 8, 1989·20 cites·21 claims
- 0279US4315865AProcess for the production of sulfuric acid semiester compounds by sulfation in a machine employing kneading actionHOECHST AG·Filed 1978·Granted Feb 16, 1982·10 cites·7 claims
- 0369US4334076AProcess 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 kneaderHOECHST AG·Filed 1977·Granted Jun 8, 1982·7 cites·13 claims
- 0466US3980426AProcess for printing or pad-dyeing cellulose/polyester mixed fabricsHOECHST AG·Filed 1975·Granted Sep 14, 1976·7 cites·2 claims
- 0558US5443630AInkjet single-phase reactive printingHOECHST AG·Filed 1994·Granted Aug 22, 1995·11 cites·23 claims
- 0656US4760134AProcess for the preparation of the copper complex disazo compounds from disazo compounds containing an O'-alkoxyaniline group by coppering dimethylation at a pH at about 3-6HOECHST CELANESE CORP·Filed 1985·Granted Jul 26, 1988·5 cites·5 claims
- 0745US4948917AProcess for the preparation of beta-chloroethylsulfonylaryl isocyanatesHOECHST AG·Filed 1990·Granted Aug 14, 1990·3 cites·6 claims
- 0844US4906738AWater-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 dyestuffsHOECHST AG·Filed 1985·Granted Mar 6, 1990·3 cites·23 claims
- 0943US4191703AProcess for the manufacture of sulfuric acid semi-ester compoundsHOECHST AG·Filed 1978·Granted Mar 4, 1980·2 cites·5 claims
- 1035US4252529ACopper, cobalt or chromium complex monoazo compounds, processes for their manufacture, their use as dyestuffs and fiber materials dyed with these dyestuffsHOECHST AG·Filed 1980·Granted Feb 24, 1981·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →