Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709710 | Process for improving tobacco | Urs Nyffeler | 1987-12-01 |
| 4622982 | Continuous method of denitrating tobacco extracts | Beth Krasna, Dieter Schulthess | 1986-11-18 |
| 4572219 | Process for improving tobacco | Urs Nyffeler | 1986-02-25 |
| 4537204 | Method of tobacco treatment to produce flavors | Patrick D. L. Ghiste, Dieter Schulthess | 1985-08-27 |
| 4524786 | Continuous process for microbial degradation of tobacco constituents containing nitrates | Dieter Schulthess | 1985-06-25 |
| 4407307 | Process for the preparation of tobacco and tobacco prepared according to this process | Patrick D. L. Ghiste, Dieter Schulthess | 1983-10-04 |