Wolfgang Rambold

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Krefeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Production of improved chromium oxide green pigment
- Patent number 4,067,747
- Issue date Jan 10, 1978
- Bayer Aktiengesellschaft
- Manfred Mansmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Chromium oxide pigment from sodium chromate dihydrate plus ammonium...
- Patent number 4,040,860
- Issue date Aug 9, 1977
- Bayer Aktiengesellschaft
- Manfred Mansmann
- C01 - INORGANIC CHEMISTRY