Inventor · disambiguated record
Folker Kohlhaas
Also filed as: KOHLHAAS FOLKER
4 granted patents·32 citations·filing 1983–1988
72Inventor score
Files withHOECHST AG4
Top patents by PatentIndex Score
4 records- 0185US4492654AWater-soluble azo compounds, a process for their preparation and their use as dyesHOECHST AG·Filed 1983·Granted Jan 8, 1985·18 cites·10 claims
- 0274US4992589ASubstituted phenyl hydroxyethyl sulfones, and process for their preparationHOECHST AG·Filed 1988·Granted Feb 12, 1991·11 cites·1 claims
- 0344US4906738AWater-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
- 0428US4778911AProcess for preparation of 3-(acyl)amino-4-alkoxy-phenyl-β-hydroxyethyl-sulfone (sulfonates)HOECHST AG·Filed 1987·Granted Oct 18, 1988·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →