| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 5 | |
| #2 | Austria | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Compounds containing metals | |
| #2 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tibaldi Giovanni | 8 |
| #2 | Giovanni Tibaldi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4569830A | Method and plant to recover chromium salts from tannery reflux water | |
| ATA401283A | Method for recovery of sulfur sodium solutions from the wastewater of the tanberry and device for implementing the method | |
| IT8023328D0 | Tannery waste water treatment - for automatic recovery of chromium |