| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Austria | 2 | |
| #5 | United Kingdom | 1 | |
| #6 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering | |
| #4 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Alkali metal compounds | |
| #2 | Rare-earth metal compounds | |
| #3 | Separation | |
| #4 | Preservation of human bodies | |
| #5 | Building materials | |
| #6 | Acyclic or carbocyclic compounds | |
| #7 | Phosphatic fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Salzbergwerk Neu-Stassfurt | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB301751A | Improved process for obtaining magnesia from dolomite | |
| DE412559C | Process for dissolving crude potash salts | |
| DE371044C | Device for continuous cooling and crystallization of alkalis |