Byk Gulden
Настоящее имя: Byk Gulden
The German pharmaceutical company Byk Gulden Lomberg Chemische Fabrik GmbH was a wholly owned subsidiary of Altana AG, headquartered in Konstanz.
The company was founded in 1873 by Heinrich Byk as a chemical factory in Berlin. Since 2012 owned by Takeda Pharma GmbH, Japan.