Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395242 | Production of zinc oxide from complex sulfide concentrates using chloride processing | Peter Kondos, Serge Payant, Gezinus Van Weert, Anthonie Van Sandwijk | 2002-05-28 |