Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089579 | Process for the production of ethylene-vinyl acetate copolymers, new ethylene/vinyl acetate copolymers and their use | Alois Kolwert, Werner Obrecht | 1992-02-18 |
| 5036149 | Process for the preparation of ethylene/acrylonitrile copolymers, new ethylene/acrylonitrile copolymers and their use | Werner Obrecht, Szolt Szentivanyi, Jens Herwig, Alois Kolwert | 1991-07-30 |
| 4882393 | Ionomer-modified polyethylene as film material | Jens Herwig, Alois Kolwert, Dieter Woltjes | 1989-11-21 |
| 4607086 | Continuous process for the manufacture of low-density polyethylene in stirred autoclaves | Karl-Uwe Haas, Winston P. Ledet | 1986-08-19 |