Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521245 | Method of processing sulphide copper- and/or sulphide copper-zinc concentrates | Vladimir I. Yarygin, Anatoly I. Panchenko, Anatoly P. Sychev, Ivan G. Vikharev, Vyacheslav P. Kuur +1 more | 1985-06-04 |
| 4519836 | Method of processing lead sulphide or lead-zinc sulphide ores, or sulphide concentrates, or mixtures thereof | Anatoly P. Sychev, Jury A. Grinin, Ivan P. Polyakov, Jury M. Abdeev | 1985-05-28 |