Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769200 | Device for spray-drying solvent-containing compositions | Wilfried Raehse, Peter Walzel | 2004-08-03 |
| 5858169 | Process for the simplified separation of multicomponent mixtures of at least partly organic origin | Wilfried Raehse, Johann F. Fues, Karl-Heinz Buettgen | 1999-01-12 |
| 4361538 | Continuous moving bed reactor for manufacture of high molecular weight polyethylene terephthalate | Ronald P. Wainberg | 1982-11-30 |
| 4254246 | Column system process for polyester plants | Hans Wewer | 1981-03-03 |