Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012827 | Process for the extraction of organic components from solid materials | Hans Beutler, Ulrich Lenhard, Franz Lurken | 1991-05-07 |
| 4714617 | Procedure for segregation of mixture of substances containing organic components | — | 1987-12-22 |
| 4561452 | Procedure for producing low nicotine tobacco by means of high pressure extraction | — | 1985-12-31 |