Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885337 | Process for the preparation of thermoplastic moulding compositions | Herbert Eichenauer, Karl-Heinz Ott | 1989-12-05 |
| 4800216 | ABS molding compositions of reduced residual butadiene content | Herbert Eichenauer | 1989-01-24 |
| 4795780 | Process for the preparation of binary .alpha.-methylstyrene/acrylonitrile resins by multi-stage bulk polymerization | Frank Wingler, Klaus Summermann, Gerd Wassmuth, Joachim Doring | 1989-01-03 |