Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921711 | Animal feed or drinking water containing propanediol formates | Hans Kiefer, Hansjoerg Bipp, Hagen Jaedicke, Dieter M. Poralla | 1990-05-01 |
| 4223045 | Preservative for animal feeds | — | 1980-09-16 |