Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839229 | Composite materials of multilayer duroplastic prepregs | Karl Jellinek, Jurgen Zehrfeld | 1989-06-13 |
| 4831101 | Polyglycidyl ethers from purified epihalohydrin | Karl Jellinek, Rolf Herzog, Gunter Reinsch | 1989-05-16 |