| 1920 | DIERSCH & SCHRÖDER founded |
| 1965 | DS chemical division separated into DS-Chemie |
| 1970 | Mainly PVC-plastosol for carpets |
| 1977 | Packaging sealants declared as core business |
| 1978 | First PVC-free granulates |
| 1984 | First know-how + licence agreement |
| 1988 | First Joint Venture |
| 1992 | New DS-Chemie centre |
| 1992 | Market introduction PVC-free barrier compound |
| 1994 | Sales in more than 100 countries |
| 1994 | ISO 9001 certification |
| 1995 | Take over by ALTANA AG |
| 1998 | Market introduction PEAK-FREEŽ Technology |
| 2000 | Introduction of new products / Developments for plastic closures |
| 2003 | Introduction of environmental management system - ISO 14001 |
| 2007 | DS-Chemie becomes ACTEGA DS |
November 06, 2008
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November 06, 2008
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