Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360455 | Process for producing multicolor or tone-in-tone effects | Klaus Hannemann, Alfred Hohener, Huanzhong Wang | 1994-11-01 |
| 5322525 | Process for treating polyamide containing articles to enhance their moulding stability | Claude Eckhardt, Peter Nesvadba | 1994-06-21 |