Issued Patents 1989
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885209 | Thermoplastic silicon rubber graft polymers (II) | Herbert Eichenauer, Dieter Wittmann, Volker Damrath | 1989-12-05 |
| 4879342 | Thermoplastic polycarbonate moulding compositions | Hans-Jurgen Kress, Winfried Paul, Horst Peters, Josef Buekers | 1989-11-07 |
| 4873289 | Graft polymers and blends thereof with polyamides | Dieter Wittmann, Ludwig Trabert, Carlhans Suling, Herbert Bartl, Karl-Heinz Ott | 1989-10-10 |
| 4871850 | New triazolopyrimidines and their use as initiators | — | 1989-10-03 |
| 4866123 | Molding compositions of polycarbonate and polyalkylene terephthalate showing improved joint line strength | Dieter Wittmann, Hans-Jurgen Kress, Karl-Heinz Ott | 1989-09-12 |
| 4865917 | Thermoplastic silicone rubber graft polymers (I) | Herbert Eichenauer, Dieter Wittmann, Volker Damrath | 1989-09-12 |
| 4861829 | Thermoplastic polycarbonate moulding materials | Hans-Jurgen Kress, Winfried Paul, Horst Peters, Josef Buekers | 1989-08-29 |
| 4861831 | Particulate multiphase polymers | Volker Damrath, Hans-Jurgen Kress, Dieter Wittmann | 1989-08-29 |
| 4859744 | Process for the production of graft polymers of high rubber content | Karl-Heinz Ott | 1989-08-22 |
| 4859740 | Particulate multiphase polymers | Volker Damrath, Hans-Jurgen Kress, Dieter Wittmann | 1989-08-22 |
| 4826946 | New polysiloxane block copolymers | Herbert Eichenauer, Karl-Heinz Ott, Peter Orth, Hartwig Hocker | 1989-05-02 |
| 4822852 | High-impact dimensionally stable polyamide molding compositions | Dieter Wittmann, Uwe Westeppe, Karsten-Josef Idel, Josef Merten, Harald Selbeck | 1989-04-18 |
| 4812515 | Ageing-resistant thermoplastic moulding materials of good impact strength | Hans-Jurgen Kress, Wolfgang Grape, Horst Peters, Jochen Schoeps, Dieter Wittmann | 1989-03-14 |
| 4810739 | Moulding compositions having flame-resistant properties | Horst Peters, Josef Buekers, Bernd Urbanneck | 1989-03-07 |
| 4806587 | High-impact polyamide moulding compositions | Ludwig Trabert, Josef Merten, Heinrich Haupt | 1989-02-21 |
| 4806593 | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Hans-Jurgen Kress, Wolfgang Grape, Horst Peters, Jochen Schoeps, Dieter Wittmann | 1989-02-21 |
| 4804708 | Thermoplastic moulding compounds based on special graft polymers | Dieter Wittmann, Hans-Jurgen Kress, Horst Peters, Jochen Schoeps | 1989-02-14 |
| 4801632 | Cellulose ester moulding materials with improved toughness | Herbert Eichenauer, Friedemann Muller, Hartwig Hocker, Helmut Keul | 1989-01-31 |