WW

Winfried Wehner

WG Witco Surfactants Gmbh: 1 patents #1 of 8Top 15%
📍 Hachenburg, DE: #1 of 6 inventorsTop 20%
Overall (1997): #58,696 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5681972 Process for preparing highly concentrated, free-flowing aqueous solutions of betaines Ingo Hamann, Hans-Jurgen Kohle 1997-10-28