| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Canada | 4 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferron Cesar J | 10 |
| #2 | Fleming Christopher A | 3 |
| #3 | Turner Duncan | 2 |
| #4 | Wagner Richard H O | 1 |
| #5 | Britton John W | 1 |
| #6 | Van Trang Cuong | 1 |
| #7 | Silva Christopher J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6451275B1 | Methods for reducing cyanide consumption in precious metal recovery by reducing the content of intermediate sulfur oxidation products therein | |
| AU3267600A | Purification of cobalt solutions containing iron and manganese with oxidation mixture of s02 and oxygen | |
| US6280501B1 | Base metal recovery | |
| CA2268496A1 | Purification of zinc materials | |
| CA2233518A1 | Method for separating zinc | |
| US2827372A | Process of extracting gold |