WH

Walter Hahn

CL Clariant: 1 patents #240 of 540Top 45%
Overall (All Time): #3,548,455 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6407029 Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium salts Berthold Schiemenz, Thomas Wessel, Ralf Pfirmann, Andreas Beck 2002-06-18