| Year | Detail |
|---|
| 1873 |
Dr. Heinrich Byk founded a chemical factory in Berlin under his name, in which he initially produced sleeping pills. |
| 1975 |
BYK added the first PVC additives to its portfolio with DISPERPLAST-A and DISPERPLAST-O, thus adding a new area to the additives business for the first time. |
| 1991 |
BYK expanded its product portfolio to include wax additives with the acquisition of the Dutch company CERA Chemie. |
| 2002 |
The parent company, Altana AG, merged its various chemical activities to form Altana Chemie AG, a distinct entity within the larger corporation. BYK was part of this consolidation. |
| 2011 |
BYK launched the Additive Guide App, which was a modern reference work for additives that contained product information and data sheets in German, English, Chinese, Japanese, and Korean. |
| 2019 |
Altana acquired the Swiss overprint varnish specialist Schmid Rhyner AG, thereby strategically expanding its ACTEGA division. |
| 2023 |
Altana acquired the business of Imaginant Inc., a U.S. company that develops and manufactures test and measurement instruments based on ultrasound, to expand its BYK division and enter the growth market of the semiconductor industry. |
