Henning Erfurth

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Krefeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Temperature-stable inorganic yellow pigments
- Patent number 4,084,984
- Issue date Apr 18, 1978
- Bayer Aktiengesellschaft
- Franz Hund
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Metal additions to pigments of pseudobrookite-titanium dioxide stru...
- Patent number 4,036,662
- Issue date Jul 19, 1977
- Bayer Aktiengesellschaft
- Jacob Rademachers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Production of basic aluminium nitrate solution
- Patent number 3,983,221
- Issue date Sep 28, 1976
- Bayer Aktiengesellschaft
- Jakob Rademachers
- C01 - INORGANIC CHEMISTRY