Everhard Gratzfeld

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Wesseling, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of ferrocyanide blue
- Patent number 4,046,861
- Issue date Sep 6, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Reinhardt
- C01 - INORGANIC CHEMISTRY