Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832989 | Method of improving the bond strength of electrolessly deposited metal layers on plastic-material surfaces | Henning Giesecke, Gerhard D. Wolf, Klaus Schuster | 1989-05-23 |
| 4806591 | Cationic sizing agents for paper | Heinz Baumgen, Bruno Bomer, Joachim Konig, Renke Mottweiler | 1989-02-21 |