Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693722 | Method for modifying the backbone of polymeric resins | Burkhard Kohler, Robert J. Kumpf, Harald Pielartzik | 1997-12-02 |
| 5663274 | Heat-curable compositions based on cyclic isocyanate addition products | Sze-Ming Lee, Philip E. Yeske, Robert J. Kumpf, Douglas A. Wicks | 1997-09-02 |
| 5637655 | Method for modifying the backbone of polymeric resins | Robert J. Kumpf | 1997-06-10 |
| 5605979 | Method for modifying the backbone of polymeric resins | Robert J. Kumpf | 1997-02-25 |