Bernd Holle

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the thermal treatment of titanium dioxide in a circulat...
- Patent number 5,744,108
- Issue date Apr 28, 1998
- Bayer AG
- Bernd-Michael Holle
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the calcination of filter cakes with high solids conten...
- Patent number 5,174,817
- Issue date Dec 29, 1992
- Bayer Aktiengesellschaft
- Bernd-Michael Holle
- 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