NZ

Norbert Zimmerman

Basf Se: 1 patents #8,065 of 13,826Top 60%
Overall (All Time): #3,811,154 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5364972 Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye Helmut Degen, Ralf Brueckmann, Gunther Lamm, Arno Lange, Helmut Reichelt 1994-11-15