| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | Italy | 2 | |
| #4 | Sweden | 2 | |
| #5 | Austria | 1 | |
| #6 | Belgium | 1 | |
| #7 | Canada | 1 | |
| #8 | Switzerland | 1 | |
| #9 | Denmark | 1 | |
| #10 | France | 1 | |
| #11 | Norway | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Pharmaceuticals | |
| #2 | Organic fine chemistry |
| # | Technology | |
|---|---|---|
| #1 | Medical preparations | |
| #2 | Acyclic or carbocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Munksgaard A | 5 |
| #2 | Ronlan A | 5 |
| #3 | Wickberg B V | 3 |
| #4 | Wickberg B | 3 |
| #5 | Ronlan Alvin | 3 |
| #6 | Ekstrand T K I B | 2 |
| #7 | Ekstrand T | 2 |
| #8 | Ekstrand Torsten Karl Ivan Ber | 1 |
| #9 | Munksgaard Asger H | 1 |
| #10 | Ivar T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1360553A | Chemical compounds suitable for use as x-ray contrast agents | |
| US3772376A | X-ray contrast agents |