Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978718 | Novel matting agent and its use | Ingo Haller, Ernst Spindler, Manfred Heisler | 1990-12-18 |
| 4914154 | Novel matting agent and its use | Ingo Haller, Ernst Spindler, Manfred Heisler | 1990-04-03 |
| 4880885 | Polymerization reactor provided with coating that suppresses polymer deposit formation | Werner Frey, Albrecht Daweritz | 1989-11-14 |
| 4661569 | Method of inhibiting polymer deposition on reactor walls during free-radical polymerization | Werner Frey, Albrecht Daweritz | 1987-04-28 |
| 4391960 | Process for the polymerization of vinyl halide polymers | Werner Frey | 1983-07-05 |