| Facts & Figures | |
| 1953 | Foundation of OXYPHEN AG in Landschlacht TG, Switzerland. Production of pH-tip stick tests |
| 1987 | Merging of OXYPHEN AG and production of secondary filters for vacuum cleaners and water filters |
| 1990 | Foundation of OXYPHEN GmbH, Dresden. Focus on development and production of microporous RoTrac® Capillary Pore Membranes |
| 1995 | Location shifting of OXYPHEN AG towards Zug, Switzerland |
