Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994044 | Color photographic recording material | Jorg Hagemann, Werner Hoheisel | 1999-11-30 |
| 5102740 | Synthetic resin bodies with improved resistance to weathering | Siegfried Thurm, Kurt-Rainer Stahlke, Klaus Sommer | 1992-04-07 |
| 5008148 | Process for the production of plastic moulded articles with improved weathering resistance | Siegfried Thurm, Christian Leuschke, Dietrich Rathmann, Lutz Schrader | 1991-04-16 |
| 4527059 | Laser activated mass spectrometer for the selective analysis of individual trace-like components in gases and liquids | Alfred Benninghoven, Gunther Kampf | 1985-07-02 |
| 4468468 | Process for the selective analysis of individual trace-like components in gases and liquid | Alfred Benninghoven, Gunther Kampf | 1984-08-28 |