Jorg Sperlich

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Offenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Spherical color pigments, process for their production and use thereof
- Patent number 6,080,232
- Issue date Jun 27, 2000
- Degussa Aktiengesellschaft
- Jorg Sperlich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Green decoration coloring substance for high-temperature firing, pr...
- Patent number 6,077,797
- Issue date Jun 20, 2000
- Cerdec Aktiengesellschaft Keramische Farben
- Jorg Sperlich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Spherical pigments, process for producing them and use thereof
- Patent number 6,074,754
- Issue date Jun 13, 2000
- Degussa Aktiengesellschaft
- Hauke Jacobsen
- C01 - INORGANIC CHEMISTRY