Heinrich Heine

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Krefeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Coated stabilized cadmium chalcogenide pigments
- Patent number 4,093,777
- Issue date Jun 6, 1978
- Bayer Aktiengesellschaft
- Heinrich Heine
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of porous gypsum moldings
- Patent number 4,040,850
- Issue date Aug 9, 1977
- Bayer Aktiengesellschaft
- Hans Kyri
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES