
![]() | 1864 Hector Roessler, the owner of a small chemical plant at Frankfurt am Main started producing Potassium Cyanide. Some years later his plant was incorporated into Degussa AG, founded 1873. KCN was produced by melting potash with potassium ferrocyanide. |
![]() | 1889 First attempts to develop a process for the production of sodium cyanide by conversion of potassium ferrocyanide with metallic sodium were successful. In the same year Degussa started producing cyanides at their subsudiary "Roessler & Hasslacher Chemical Company" in Niagara Falls, USA. For a short period of time there had been even a production in Pretoria, South Africa. |
![]() | 1901 With the development of the Castner process (which reached its technical maturity by work done at Degussa), the "cyanide eggs", a product known all over the world, were produced in Degussa's Frankfurt Plant II until 1971. |
![]() | 1952 Degussa built the first plant at Wesseling, Germany for the production of hydrocyanic acid which operated on the basis of the formamide process. |
| 1957 Sodium Cyanide Production began at Wesseling, Germany | |
![]() | 1970 Degussa built at plant at Antwerp, Belgium for the production of sodium cyanide solution. |
![]() | 1975 |
![]() | 1990 Degussa built its plant at Mobile, Alabama, USA with a BMA process to produce sodium cyanide for the NAFTA region. |
![]() | 1992 |
![]() | 1995 increased the CyPlus® cyanide product range by special technical and engineering support. Products called today CyPlus® CCS, CyPlus® SLS, CyPlus® HYPROX and many more were introduced to the market. |
![]() | 1998 Degussa opened its Canadian terminal at Cadillac, Quebec, Canada. |
![]() | 2000 CyPlus® cyanides went online with the website www.cyplus.com. |
![]() | 2000 |
![]() | 2003 CyPlus® GmbH is formed from Degussa´s Mining Chemicals Line. Subsidiaries exist in the USA and Canada. |
![]() | 2007 CyPlus® GmbH's cyanide plant in Wesseling is celebrating its fiftieth anniversary |
2008 |