Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731872 | Plasma manipulator | — | 1998-03-24 |
| 5360601 | Process for the preparation of isocyanic acid by the decomposition of N,N-disubstituted ureas | Kurt A. Hackl, Martin Mullner, Erich Schulz, Gerhard Stern | 1994-11-01 |
| 5283362 | Process for the preparation of pure N,N'-asymmetrically substituted phenylureas | Kurt A. Hackl | 1994-02-01 |
| 5225681 | Gas-filled UV spectrometer | Ludger Thissen | 1993-07-06 |
| 5191212 | Analytical system with electrothermal atomizer and mass spectrometer for atomic and molecular analysis | Hermann Wollnik | 1993-03-02 |
| 5169954 | Process for the N-alkylation of ureas | Kurt A. Hackl | 1992-12-08 |
| 5124451 | Process for the N-alkylation or ureas | Kurt A. Hackl | 1992-06-23 |
| 4660976 | Method and device for electrothermal atomization of a sample material | — | 1987-04-28 |
| 4318614 | Emission spectral analysis device | Erwin Hoffman, Christian Ludke | 1982-03-09 |