| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | United States | 3 | |
| #3 | Mexico | 2 | |
| #4 | Argentina | 1 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Canada | 1 | |
| #8 | New Zealand | 1 | |
| #9 | Peru | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Flotation | |
| #3 | Climate change mitigation in goods production | |
| #4 | Compounds containing metals |
| # | Name | Total Patents |
|---|---|---|
| #1 | Simmons Gary L | 13 |
| #2 | Gathje John C | 5 |
| #3 | Gary L Simmons | 1 |
| #4 | John C Gathje | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MX9703969A | Method for treating mineral material having organic carbon to facilitate recovery of a precious metal. | |
| US5653945A | Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate | |
| US5536480A | Method for treating mineral material having organic carbon to facilitate recovery of gold and silver | |
| US5458866A | Process for preferentially oxidizing sulfides in gold-bearing refractory ores |