Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122349 | Process for producing alumina | György Bánvölgyi, Jozsef Zoldi, Peter Siklosi, T. Anna Csordas, Ivan Feher +2 more | 1992-06-16 |
| 4923529 | Equipment for continuous heat treatment of tungsten filaments wound on molybdenum cores | Laszlo Kovacs, Attila Szathmari | 1990-05-08 |
| 4226838 | Process for accelerating the digestion and sedimentation steps on the Bayer alumina process | Jozsef Boros, Zsolt Csillag, Tibor Kalman, Laszlo Lengyel, Jozsef Matyasi +8 more | 1980-10-07 |