Inventor · disambiguated record
Heike Kelkenberg
Also filed as: KELKENBERG HEIKE
7 granted patents·367 citations·filing 1981–1994
87Inventor score
Top patents by PatentIndex Score
7 records- 0195US5009814AUse of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systemsHUELS CHEMISCHE WERKE AG·Filed 1988·Granted Apr 23, 1991·215 cites·9 claims
- 0293US4356307ACyclic imides, their preparation and useHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Oct 26, 1982·54 cites·5 claims
- 0382US5447643AAqueous fabric softener for the treatment of textileHUELS CHEMISCHE WERKE AG·Filed 1994·Granted Sep 5, 1995·43 cites·20 claims
- 0460US5496933ASuper-absorbents and a process for their preparationSTOCKHAUSEN CHEM FAB GMBH·Filed 1994·Granted Mar 5, 1996·50 cites·12 claims
- 0532US5004564AN-alkylglycamino compounds, a process for producing them, and their useHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Apr 2, 1991·4 cites·6 claims
- 0628US5023018AUse of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts as builders in detergents and cleaning agentsHUELS CHEMISCHE WERKE AG·Filed 1989·Granted Jun 11, 1991·0 cites·5 claims
- 0728US4882091AUse of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts as builders in detergents and cleaning agentsHUELS CHEMISCHE WERKE AG·Filed 1988·Granted Nov 21, 1989·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →