| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 22 | |
| #2 | United Kingdom | 2 | |
| #3 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry | |
| #3 | Organic fine chemistry | |
| #4 | Pharmaceuticals | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Ammonia or cyanogen | |
| #3 | Preservation of human bodies | |
| #4 | Compounds containing metals | |
| #5 | Milling | |
| #6 | Acyclic or carbocyclic compounds | |
| #7 | Adhesives | |
| #8 | Medical preparations | |
| #9 | Purifying gas composition | |
| #10 | Soaps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ducancel Pierre | 20 |
| Publication | Filing date | Title |
|---|---|---|
| GB430740A | Improvements in and relating to the manufacture of powdered vegetable glues | |
| GB191113383A | Improvements relating to the Recovery of Sulphur from the Refining Materials Employed in the Manufacture of Gas or from other Industrial Residues. |