Wiltrud Schaefer-Treffenfeldt

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Obertshausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for isolating hydroxymonocarboxylic and tricarboxylic acids
- Patent number 5,676,838
- Issue date Oct 14, 1997
- Degussa Aktiengesellschaft
- Elfriede Sextl
- C07 - ORGANIC CHEMISTRY