HB

Horst Birkhan

RG Rewo Chemische Werke Gmbh: 3 patents #3 of 18Top 20%
WG Witco Surfactants Gmbh: 1 patents #6 of 10Top 60%
📍 Driedorf, DE: #2 of 17 inventorsTop 15%
Overall (All Time): #1,289,529 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5703035 Highly concentrated aqueous fabric softners having improved storage stability Michael Fender, Bernhard Irrgang, Christiane Loffert, Simone Schussler 1997-12-30
5364542 Fabric softener rinsing agents Hans-Juergen Kohle, Joachim Welgand, Winfried Wehner 1994-11-15
5254270 Fabric softeners based on quaternary poly(oxyalkylene) alkanolamine esters Michael Fender 1993-10-19
5180508 Fabric softener rinsing agents Hans-Juergen Kohle, Joachim Weigand, Winfried Wehner 1993-01-19