| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 24 | |
| #2 | Switzerland | 21 | |
| #3 | Spain | 6 | |
| #4 | Greece | 3 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Ammonia or cyanogen |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bensa Felice | 36 |
| #2 | Felice Bensa | 14 |
| #3 | Devaucelle Louis Petit | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB125453A | Process for the Production of Alkaline Nitrates by Oxidation of Ammonia. |