| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Mexico | 3 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nixon William M | 8 |
| #2 | Drinkard William F | 8 |
| #3 | Woerner Hans J | 8 |
| #4 | William F Drinkard | 3 |
| #5 | Hans J Woerner | 3 |
| #6 | William M Nixon | 3 |
| Publication | Filing date | Title |
|---|---|---|
| EP2882880A1 | Treatment of manganese-containing materials | |
| AU2013215248A1 | Treatment of manganese-containing materials |