Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861863 | Process for the production and purification of SH-terminated prepolymers and use thereof | Rene-Andres A. Gonzalez, Winfried Emmerling, Werner Krause, Klaus Neitzer | 1989-08-29 |
| 4857623 | Alkoxysilane-terminated, moisture-hardening polyurethanes and their use in adhesives and sealing compositions | Winfried Emmerling | 1989-08-15 |
| 4824888 | Diurethanes as stabilizing additives in sealing compounds | Winfried Emmerling, Juergen Wichelhaus | 1989-04-25 |
| 4820789 | Process for the production of oligourethanes containing terminal mercapto groups | Rene-Andres A. Gonzalez, Winfried Emmerling, Klaus Neitzer | 1989-04-11 |