Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876302 | Polyurethane dispersions and the use thereof as finishing agents | Klaus Noll, Wilhelm Thoma, Walter Schroer, Josef Pedain | 1989-10-24 |
| 4829122 | Process for the preparation of aqueous polyurethane dispersions and solutions | Josef Pedain, Klaus Noll, Jurgen Grammel | 1989-05-09 |