Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477427 | Process for the preparation of alkali-poor .alpha.-alumina for ceramic purposes | Jozsef Matyasi, György Kaptay, Laszlo Zsembery, Jozsef Toth, Maria Toth Nee Homostrei +1 more | 1984-10-16 |
| 4225639 | Process for preparing alumina being suitable for layer chromatography | Jozsef Matyasi, Laszlo Zsembery, György Kaptay, Sandor Nemeth | 1980-09-30 |