| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | France | 4 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Organic fine chemistry | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Albert Prudhomme Eugene | 5 |
| #2 | Procedes Prudhomme Societe Int | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1640668A | Process for the regeneration of metal catalysts contaminated by sulphur | |
| US1711856A | Process for the manufacture of synthetic liquid fuels | |
| US1760522A | Process and apparatus for purifying gases | |
| US1674796A | Process for refining and stabilizing hydrocarbons | |
| US1711855A | Manufacture of carbureting liquids similar to petrol |