| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | United Kingdom | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry | |
| #3 | Foods and drinks | |
| #4 | Biotechnology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Chemical or physical processes | |
| #3 | Refining | |
| #4 | Sucrose production | |
| #5 | Wine | |
| #6 | Liquid hydrocarbon mixture production | |
| #7 | Lubricating compositions | |
| #8 | Purifying gas composition | |
| #9 | Microbiology | |
| #10 | Fermentation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guinot Henri M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2972512A | Method of removing hydrogen sulphide from gases and recovering sulphur therefrom | |
| GB598885A | Chemical reaction furnace with high thermal efficiency |