Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355005 | Process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium | Jussi K. Rastas, Pekka J. Saikkonen | 1982-10-19 |
| 4313849 | Process for the production of activated carbon from a moist organic substance | Frans H. Tuovinen, Maija-Leena Metsarinta | 1982-02-02 |