Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372610 | Process for the after-bleaching of dyed raw cellulose using cationic compounds | Volker Kahle, Klaus Kackstadter, Karl-Heinz Passon, Martin Riegels | 1994-12-13 |
| 5310855 | Aromatic condensation products | Udo-Winfried Hendricks, Hans-Albert Ehlert, Fritz Lesszinsky | 1994-05-10 |