Werner Fuhr

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of black pigments based on iron
- Patent number 4,701,221
- Issue date Oct 20, 1987
- Bayer Aktiengesellschaft
- Horst Brunn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of yellow-brown zinc ferrite pigments
- Patent number 4,681,637
- Issue date Jul 21, 1987
- Bayer Aktiengesellschaft
- Jakob Rademachers
- C01 - INORGANIC CHEMISTRY