Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477427 | Process for the preparation of alkali-poor .alpha.-alumina for ceramic purposes | György Kaptay, Laszlo Zsembery, Bela Kokeny, Jozsef Toth, Maria Toth Nee Homostrei +1 more | 1984-10-16 |
| 4335082 | Method of decreasing the organic substance content of alum earth production cycle performed according to the Bayer technology | Ferenc Toth, Laszlo Revesz, Benjaminne Toth, Miklos Schlegel, Jozsef Zoldi +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 |
| 4225639 | Process for preparing alumina being suitable for layer chromatography | Bela Kokeny, Laszlo Zsembery, György Kaptay, Sandor Nemeth | 1980-09-30 |