| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 13 | |
| #2 | Denmark | 12 | |
| #3 | Austria | 3 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Electrolytic processes | |
| #3 | Mixing | |
| #4 | Chemical or physical processes | |
| #5 | Shafts | |
| #6 | Dredging | |
| #7 | Earth drilling |
| Publication | Filing date | Title |
|---|---|---|
| GB410462A | Improvements in or relating to the production of hypochlorite of calcium colutions |