| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 9 | |
| #2 | Canada | 7 | |
| #3 | Switzerland | 5 | |
| #4 | Austria | 3 | |
| #5 | Denmark | 3 | |
| #6 | United Kingdom | 2 | |
| #7 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Rare-earth metal compounds | |
| #2 | Phosphatic fertilisers | |
| #3 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deguide Camille | 16 |
| #2 | Camille Deguide | 5 |
| #3 | Marbais Desire | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB110537A | Process for the Production of Barium Hydrate. | |
| GB109079A | New Process of Manufacture of Compound Fertilizers. | |
| CA242930A | Barium cyanide manufacture | |
| CA241534A | Recovery of sugar | |
| CA196482A | Oil extraction from coal gas | |
| CA362168A | Coating composition | |
| CA267222A | Molasses manufacture | |
| CA220335A | Production of barium hydrate | |
| CA267221A | Baryte silicate purification |