Karl-Heinz Theisen

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Koln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the recovery of 4-hydroxybenzaldehyde from reaction mix...
- Patent number 5,773,664
- Issue date Jun 30, 1998
- Bayer Aktiengesellschaft
- Albert Schnatterer
- C07 - ORGANIC CHEMISTRY