| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | Germany | 3 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Organic fine chemistry | |
| #2 | Pharmaceuticals | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Fuels | |
| #3 | Sugars |
| # | Name | Total Patents |
|---|---|---|
| #1 | Riedel A-G J D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE441455C | Engine propellant | |
| DE394796C | Process for obtaining therapeutically active ingredients from oils, balms and extracts and the like. like | |
| DE358873C | Process for the preparation of verbenaline |