Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698622 | Stabilisation of ABS graft polymers using dithiodipropionic acid | Burkhard Kohler | 1997-12-16 |
| 5635560 | Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer | Burkhard Kohler, Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Klaus Horn | 1997-06-03 |
| 5599862 | Graft polymers with improved surface gloss | Burkhard Kohler, Karl-Erwin Piejko | 1997-02-04 |