Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122349 | Process for producing alumina | György Bánvölgyi, Peter Siklosi, Tibor Ferenczi, T. Anna Csordas, Ivan Feher +2 more | 1992-06-16 |
| 4486393 | Process for the reduction of the sodium hydroxide losses of the Bayer-type alumina production | Gyorgy Baksa, Jozsef Boros, Gyula Horvath, Balazs Ihasz, Zoltan Pais +7 more | 1984-12-04 |
| 4335082 | Method of decreasing the organic substance content of alum earth production cycle performed according to the Bayer technology | Jozsef Matyasi, Ferenc Toth, Laszlo Revesz, Benjaminne Toth, Miklos Schlegel +3 more | 1982-06-15 |
| 4226838 | Process for accelerating the digestion and sedimentation steps on the Bayer alumina process | Jozsef Boros, Zsolt Csillag, Tibor Ferenczi, Tibor Kalman, Laszlo Lengyel +8 more | 1980-10-07 |