Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6261533 | Process for preparing aluminum oxide masses with very narrow pore radius distribution | Norbert Von Thienen | 2001-07-17 |
| 6129904 | Aluminum oxide masses with very narrow pore radius distribution | Norbert Von Thienen | 2000-10-10 |
| 4871426 | Process for reprocessing waste material | Hans Lechert, Volkert Woebs-Gosch, Song Qun, Walter Kaminsky | 1989-10-03 |
| 4404344 | Preparing ethylene polymers using Ziegler catalyst comprising cyclodienyl compound of zirconium | Walter Kaminsky, Hans-Jurgen Vollmer, Rudiger Woldt | 1983-09-13 |
| 4203804 | Apparatus for the pyrolysis of pieces of rubber or like material, especially used motor vehicle tires | Jörg Janning, Walter Kaminsky, Stanislav Tysarcyk | 1980-05-20 |