Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366129 | Process for producing alumina and ferric oxide from aluminium carriers with high iron and silicon content | Bela Czegledi, Mihaly Csovari, Miklos Erdelyi, Lajos Streker, Istvan Toth +2 more | 1982-12-28 |