| 1895 |
Dr. Adolph Frank and Dr. Nikodem Caro succeed in binding nitrogen from the air with calcium carbides (nitrogenation). |
| 1901 |
Dr. Albert Frank recognizes the benefits of using calcium cyanamide as a fertilizer.
|
| 1908 |
Bayerische Stickstoffwerke AG (BStW) is founded, with head offices in Munich. |
| 1908-1912 |
Construction of the Trostberg calcium carbide plant, the carbide plant in Schalchen, the works canal and two hydropower plants in Trostberg and Schalchen.
|
| 1915-1920 |
Construction of the plants at Piesteritz and Chorzow (Upper Silesia), and the carbide plant in Hart plus the hydropower plant at Hirten. |
| 1920 |
Bayerische Kraftwerke AG is founded, with head offices in Berlin.
|
| 1939 |
Company renamed Süddeutsche Kalkstickstoff-Werke AG, with head offices at Trostberg.
|
|
Starting
1945
|
Establishment of premium value-added product ranges in the metallurgy and NCN chemistry segments.
|
| 1968 |
The company moves into construction chemicals with the concrete plasticizer MELMENT®. |
| 1971 |
Construction of the Muenchsmuenster petrochemical plant. |
| 1974 |
The company goes international with production facilities at Bécancour/Quebec in Canada. |
| 1978 |
Company’s name is changed to SKW Trostberg AG. |
| 1981 |
Company moves into the nature products business with hop extraction.
|
| 1993 |
Sister plant at Piesteritz transfers back to SKW. |
| 1995 |
SKW is listed on the stock market. |
| 1995-1999 |
Acquisition of Sanofi Bio-lndustries S.A.Paris (SBI), Master Builders Technologies (MBT) and Goldschmidt AG. As a result of these mergers SKW expands its nature products, construction chemicals and performance chemistry segments.
|
| 2000 |
Merger of Degussa Hüls AG with SKW Trostberg AG to form the new Degussa AG. |
| 2001 |
Founding of SKW Stahl Holding GmbH. |
| 2002 |
Sale of SKW Piesteritz Holding GmbH, including the rights to the name "SKW", to Ameropa Holding AG. Inauguration of the Construction Chemicals Competence Center (German landscape architecture prize 2003) with a professorship at the Technical University Munich. |
| 2005 |
RAG Group becomes new majority shareholder. |
| 2006 |
Merger of the Alz sites at Trostberg, Schalchen, Hart and Waldkraiburg into AlzChem Holding GmbH. The Construction Chemicals segment is sold to BASF.
|
| 2009 |
bluO Fonds becomes new shareholder. |
| 2011 |
Company changes its legal form to become AlzChem AG, concentrating heavily on the new markets of renewable energy, nutrition and the pharmaceutical industry. |
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