Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889894 | Compatible polymer mixtures | Ulrich Terbrack | 1989-12-26 |
| 4877853 | Polymethyl methacrylate molding compounds | Ernst Heil, Franz Wenzel, Peter J. Arndt, Ulrich Terbrack | 1989-10-31 |
| 4849479 | Compatible polymer blends | Ulrich Terbrack | 1989-07-18 |
| 4829101 | Polymer particles and latices thereof for the immobilization of biologically active substances | Dieter Kraemer, Gerhard Markert, Norbert Suetterlin, Cornelia Feil | 1989-05-09 |
| 4814207 | Method for making protective coatings | Erwin Felger, Werner Arnold | 1989-03-21 |