Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857591 | Thermoplastic moulding compositions of ABS and hydrogenated nitrile rubber | Herbert Eichenauer, Hartmuth Buding, Rudolf Casper, Karl-Heinz Ott | 1989-08-15 |
| 4795780 | Process for the preparation of binary .alpha.-methylstyrene/acrylonitrile resins by multi-stage bulk polymerization | Frank Wingler, Klaus Summermann, Gerd Wassmuth, Alfred Pischtschan | 1989-01-03 |