Inventor · disambiguated record
Horst Birkhan
Also filed as: BIRKHAN HORST
4 granted patents·36 citations·filing 1990–1996
75Inventor score
Top patents by PatentIndex Score
4 records- 0159US5180508AFabric softener rinsing agentsREWO CHEMISCHE WERKE GMBH·Filed 1990·Granted Jan 19, 1993·20 cites·38 claims
- 0235US5703035AHighly concentrated aqueous fabric softners having improved storage stabilityWITCO SURFACTANTS GMBH·Filed 1996·Granted Dec 30, 1997·7 cites·6 claims
- 0333US5254270AFabric softeners based on quaternary poly(oxyalkylene) alkanolamine estersREWO CHEMISCHE WERKE GMBH·Filed 1992·Granted Oct 19, 1993·5 cites·32 claims
- 0432US5364542AFabric softener rinsing agentsREWO CHEMISCHE WERKE GMBH·Filed 1992·Granted Nov 15, 1994·4 cites·51 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →