Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824888 | Diurethanes as stabilizing additives in sealing compounds | Winfried Emmerling, Tore Podola | 1989-04-25 |
| 4810772 | Adhesive composition comprising polyamide from dimer acid and N-alkyl diamine | Roberto Leoni, Werner Gruber | 1989-03-07 |