Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093123 | Process for the removal of pesticides from ginseng roots | Heinz-Rudiger Vollbrecht | 1992-03-03 |
| 5079025 | Process for the removal of ethanol from drinks produced utilizing extraction with compressed carbon dioxide and carbon dioxide regeneration | Rudolf Zobel, Heinz-Rudiger Vollbrecht, Robert Faust | 1992-01-07 |
| 5061502 | Process for the removal of terpenes from essential oils | Jan Cully, Heinz-Rudiger Vollbrecht | 1991-10-29 |
| 5061505 | Process for the removal of cholesterol and/or cholesterol esters from foodstuffs | Jan Cully, Heinz-Rudiger Vollbrecht | 1991-10-29 |
| 4976979 | Process for the decaffeination of tea | Hubertus Klima, Heinz-Rudiger Vollbrecht | 1990-12-11 |
| 4880656 | Process for the dearomatizing and rearomatizing tea | Heinz-Rudiger Vollbrecht | 1989-11-14 |
| 4828867 | Method of extracting hop pellets with liquified carbon dioxide | Wilfried Hallberg, Herbert Jekat, Kurt Stork, Heinz-Rudiger Vollbrecht | 1989-05-09 |
| 4687547 | Process for the separation of materials obtained by means of high pressure extraction | Herbert Jekat, Kurt Stork | 1987-08-18 |
| 4632837 | Process for the production of concentrated extracts from plants | Heinz-Rudiger Vollbrecht, Klaus Sandner, Theodor Sand, Peter Muhlnickel | 1986-12-30 |
| 4511508 | Process for drying of natural extracts prepared by high pressure extraction | Heinz-Rudiger Vollbrecht, Klaus Sandner | 1985-04-16 |