Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543066 | Biodegradable fabric softening composition | Hans J. Weissen | 1996-08-06 |
| 5078896 | Thickened aqueous cleaning compositions | Hans Rorig | 1992-01-07 |
| 5041239 | Premix compositions for the preparation of thickened aqueous acid solutions | Hans Rorig | 1991-08-20 |
| 4853146 | Thickening compositions and thickened aqueous acid solutions | Hans Rorig | 1989-08-01 |
| 4842771 | Thickened aqueous cleaning compositions | Hans Rorig | 1989-06-27 |