| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Spain | 1 |
| # | Technology | |
|---|---|---|
| #1 | Rare-earth metal compounds | |
| #2 | Electrolytic processes | |
| #3 | Heterocyclic compounds | |
| #4 | Building materials | |
| #5 | Non-metallic elements | |
| #6 | Compounding ingredients |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sander Dr Manfred | 2 |
| #2 | Bloechl Walter | 2 |
| #3 | Helfrich Dr Fritz | 1 |
| #4 | Saline Ludwigshalle | 1 |
| #5 | Kleinheinz Robert | 1 |
| #6 | Helfrich Fritz Dr | 1 |
| #7 | Fuerst Peter | 1 |
| #8 | Ludwigshalle Saline | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES251349A1 | Method of producing organic cyclic perfluoroethers having 5 or 6-membered rings | |
| DE1125896B | Process for the production of perfluoroalkanes by electrolysis | |
| DE1119262B | Process for the preparation of perfluorocycloalkanes | |
| GB372572A | Improved process for obtaining pure aluminium-alkali double fluorides | |
| GB361031A | Improved processes for the production of aluminium fluoride-alkali fluoride double compounds |