BS

Berthold Schiemenz

CL Clariant: 2 patents #22 of 143Top 20%
BG Basell Polyolefine Gmbh: 1 patents #34 of 71Top 50%
Overall (2002): #32,366 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6465643 Aminophosphonium compounds Thomas Wessel, Ralf Pfirmann 2002-10-15
6410661 Stereorigid metallocene compounds Walter Kaminsky, Frank Kueber, Ralf Werner, Anne-Meike Schauwienold, Frank Freidanck 2002-06-25
6407029 Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium salts Thomas Wessel, Ralf Pfirmann, Andreas Beck, Walter Hahn 2002-06-18