Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829122 | Process for the preparation of aqueous polyurethane dispersions and solutions | Josef Pedain, Klaus Nachtkamp, Klaus Noll | 1989-05-09 |
| 4530990 | Process for the preparation of viscosity stable polyurethane solutions | Reinhard Halpaap, Josef Pedain, Wilhelm Thoma | 1985-07-23 |
| 4401801 | Coating and dressing agents for leather and leather substitutes based on polyurethane urea coating compounds | Josef Pedain, Wilhelm Thoma, Walter Schroer | 1983-08-30 |
| 4269748 | Process for the preparation of aqueous polyurethane dispersions and solutions | Klaus Nachtkamp, Josef Pedain | 1981-05-26 |