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Acquired by Koninklijke Zout Ketjen → Koninklijke Zout Organon → Koninklijke Zwanenberg Organon → Schering-Plough → Merck on Jan 1, 1967
Timeline
1830s
- Jan 1, 1835
Ketjen— Founded
1960s
- Jan 1, 1967
Koninklijke Zout Ketjen— Acquired By
2000s
- Jan 1, 2009
Merck— Now
Details
- Founded
- Groningen, NL Jan 1, 1835