Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906688 | Thermoplastic moulding compositions of the ABS type of improved toughness and processability | Herbert Fichenauer, Edgar Leitz, Karl-Heinz Ott | 1990-03-06 |
| 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 |
| 4772668 | Sulphur-containing graft products | Herbert Eichenauer, Karl-Heinz Ott | 1988-09-20 |
| 4772743 | Bifunctional emulsifiers based on perhydrobisphenols and carboxylic acid anhydrides | Adolf Schmidt, Herbert Eichenauer | 1988-09-20 |
| 4764557 | Moulding compositions of uniform particle size and improved thermal stability | Herbert Eichenauer, Karl-Heinz Ott | 1988-08-16 |
| 4755576 | Copolymers of alpha-methyl styrene and acrylonitrile | Karl Zabrocki, Rainer Fritz | 1988-07-05 |
| 4740573 | Sulphur-containing polymers | Herbert Eichenauer, Karl-Heinz Ott | 1988-04-26 |
| 4710529 | Stabilized thermoplastic moulding materials based on ABS polymers and acyl phosphanoxides | Helmut-Martin Meier, Hans-Georg Heine, Rolf Dhein, Hans Rudolph | 1987-12-01 |
| 4632956 | Stabilizer systems for ABS plastics and ABS alloys | Hans-Jurgen Kress, Herbert Eichenauer, Karl-Heinz Ott, Jochen Schoeps | 1986-12-30 |
| 4520165 | ABS-moulding compositions | Karl Zabrocki, Karl-Heinz Ott, Adolf Schmidt | 1985-05-28 |
| 4442264 | Graft rubbers for modifying thermoplastic moulding compositions | Karl Zabrocki | 1984-04-10 |
| 4439589 | Process for the preparation of copolymers of styrene and/or its derivatives | Heinrich Alberts, Rudiger Schubart | 1984-03-27 |
| 4393172 | High-notched-impact core-shell polymers having improved weather resistance | Christian Lindner, Karl-Heinz Ott | 1983-07-12 |
| 4217266 | Pigment preparations | Karlheinz Wolf, Reinhold Hornle, Fritz Bremer, Bernhard Arnold, Werner Kullick | 1980-08-12 |