Kerstin Ruhnau

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Colditz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of purple pigments
- Patent number 5,707,436
- Issue date Jan 13, 1998
- Cerdec Aktiengesellschaft Keramische Farben
- Klaus-Dieter Fritsche
- C01 - INORGANIC CHEMISTRY