Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622982 | Continuous method of denitrating tobacco extracts | Helmut Gaisch, Beth Krasna | 1986-11-18 |
| 4537204 | Method of tobacco treatment to produce flavors | Helmut Gaisch, Patrick D. L. Ghiste | 1985-08-27 |
| 4524786 | Continuous process for microbial degradation of tobacco constituents containing nitrates | Helmut Gaisch | 1985-06-25 |
| 4407307 | Process for the preparation of tobacco and tobacco prepared according to this process | Helmut Gaisch, Patrick D. L. Ghiste | 1983-10-04 |