| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 4 | |
| #3 | Switzerland | 2 | |
| #4 | Austria | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Separation | |
| #3 | Compounding ingredients | |
| #4 | Phosphatic fertilisers | |
| #5 | Measuring light |
| # | Name | Total Patents |
|---|---|---|
| #1 | Urbain Societe Anonyme Des Cha | 1 |
| #2 | Urbain Compagnie Des Produits | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB294214A | Improved manufacture of activated charcoal | |
| GB288330A | A process for the simultaneous preparation of hydrochloric acid and of a potassium phosphate | |
| GB288331A | Manufacture of ternary manures from potassium meta- and pyro-phosphates | |
| DE530217C | Process for the separation of liquids, solids or gases that are finely divided or emulsified in liquids | |
| GB274826A | Improvements in or relating to the analysis of a mixture of gases or of vapours by automatically recording the absorption spectrum |