| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Organic fine chemistry | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Pigments | |
| #2 | Acyclic or carbocyclic compounds | |
| #3 | Heterocyclic compounds | |
| #4 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ullmann Fritz | 11 |
| #2 | Fritz Ullmann | 4 |
| #3 | Egil Lie | 1 |
| #4 | Joseph Breslauer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1817858A | Method of producing alkali metal phosphates by converting ferrophosphorus with alkali metal sulphates | |
| GB191415057A | Manufacture of 4-alkyl-1-oxyanthraquinones and Substitution Products thereof. | |
| GB191120622A | Manufacture of Halogen-naphthanthraquinones. | |
| GB191029567A | Manufacture of Halogenised alpha-anilido-anthraquinonecarboxylic Acids. |