| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 3 | |
| #2 | United States | 3 | |
| #3 | Bulgaria | 2 | |
| #4 | Hungary | 2 | |
| #5 | Romania | 2 | |
| #6 | Argentina | 1 | |
| #7 | Australia | 1 | |
| #8 | Canada | 1 | |
| #9 | Germany | 1 | |
| #10 | Spain | 1 | |
| #11 | India | 1 | |
| #12 | Portugal | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Organic fine chemistry | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Acyclic or carbocyclic compounds | |
| #3 | Electric incandescent lamps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doubovetzky Serge | 8 |
| #2 | Forschner Peter | 8 |
| #3 | Montazeau Francois | 7 |
| #4 | Alheritiere Louis | 3 |
| #5 | Montazeau | 2 |
| #6 | Doubovetzky | 2 |
| #7 | Forschner | 2 |
| #8 | Michelet Jean | 2 |
| #9 | Repper Marcel | 1 |
| #10 | Forschner M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BG35036A3 | Method for preparing aromatic amines | |
| US4073806A | Process for the preparation of phosgene | |
| US3544612A | Process for the production of organic isocyanates | |
| US3544611A | Process for the preparation of organic isocyanates |