WL

Willem Levering

SA Sulzer Chemtech Ag: 2 patents #47 of 208Top 25%
📍 Winterthur, CH: #271 of 771 inventorsTop 40%
Overall (All Time): #2,153,096 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7160524 Process and apparatus for the production of butylacetate and isobutylacetate Jaromir Lederer, Jiri Kolena, Jiri Hanika, Pavel Morávek, Quido Smejkal +2 more 2007-01-09
6458992 Process and apparatus for the production of butylacetate and isobutylacetate Jaromir Lederer, Ji{haeck over (r)}í Kolena, Ji{haeck over (r)}í Hanika, Oliver Bailer, Pavel Morávek +2 more 2002-10-01