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Axel Rau
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Pfullendorf, DE
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last 30 patents
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Patent Grant
Pearl luster pigments stable to glaze and enamel
Patent number
5,022,923
Issue date
Jun 11, 1991
Merck Patent Gesellschaft mit beschrankter Haftung
Axel Rau
C01 - INORGANIC CHEMISTRY
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Patent Grant
Dispersible Berlin blue pigment
Patent number
4,545,821
Issue date
Oct 8, 1985
Merck Patent Gesellschaft mit beschrankter Haftung
Axel Rau
C01 - INORGANIC CHEMISTRY