Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591707 | Process for producing free-flowing granules with superheated steam | Wilfried Raehse, Johann F. Fues, Kathleen Paatz | 1997-01-07 |
| 5536430 | Process of producing low-dust anionic surfactant concentrates in powder or granule form with improved solubility in aqueous media | Johann F. Fues, Wilfried Raehse, Kathleen Paatz, Wolfgang Poly, Bert Gruber +2 more | 1996-07-16 |