Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698622 | Stabilisation of ABS graft polymers using dithiodipropionic acid | Werner Tischer | 1997-12-16 |
| 5693722 | Method for modifying the backbone of polymeric resins | Duane B. Priddy, Jr., Robert J. Kumpf, Harald Pielartzik | 1997-12-02 |
| 5656684 | Silanes containing oxalamide functional groups and their use as plastics additives | Klaus Horn, Helmut-Martin Meier | 1997-08-12 |
| 5654383 | Polyarylene sulfides reduced in viscosity by aftertreatment with disulfides | Klaus Kraft, Klaus Reinking, Bahman Sarabi, Wolfgang Ebert | 1997-08-05 |
| 5650456 | Coumarin derivatives, a method of preparing them and their use as intermediates | Chen-Chih Yun, Rolf Wehrmann | 1997-07-22 |
| 5635560 | Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer | Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Werner Tischer, Klaus Horn | 1997-06-03 |
| 5599862 | Graft polymers with improved surface gloss | Werner Tischer, Karl-Erwin Piejko | 1997-02-04 |