Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857565 | Process for the continuous production of aqueous polyurethane dispersions and their use as a coating composition or as an adhesive | Wolfgang Henning, Walter Meckel | 1989-08-15 |
| 4847408 | Process for the preparation of (cyclo)aliphatic diisocyanates | Hans-Georg Frosch, Heinrich Grave, Herbert Stutz, Eckart Waldau | 1989-07-11 |