| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 3 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | Spain | 2 | |
| #6 | France | 2 | |
| #7 | United States | 2 | |
| #8 | Brazil | 1 | |
| #9 | German Democratic Republic | 1 | |
| #10 | Mexico | 1 | |
| #11 | Poland | 1 | |
| #12 | Romania | 1 | |
| #13 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Alkali metal compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vitellaro Antonio | 17 |
| #2 | Sanfilippo Giovanni | 16 |
| #3 | Salvatore Santoro | 1 |
| #4 | Angelo Cirillo | 1 |
| #5 | Sanfilippo Dzhovanni | 1 |
| #6 | Vittorio Quai Salvatore | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT8748226D0 | Minerals floatation process | |
| IT8421488D0 | PROCEDURE FOR THE PRODUCTION OF POTASSIC SULPHATE AND MAGNESIA POTASSIC SULPHATES GRANULATED, AND GRANULATED SO PRODUCED | |
| IT8221187D0 | PROCEDURE FOR THE PRODUCTION OF SODIUM CHLORIDE WITH A HIGH DEGREE OF PURITY STARTING FROM STERILES OF FLOTATION OF POTASSIUM MINERALS |