Wolfgang-Dieter Muller

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the recorvery of sulphuric acid in the production of ti...
- Patent number 4,988,495
- Issue date Jan 29, 1991
- Bayer Aktiengesellschaft
- Gerhard Wiederhoft
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of titanium dioxide
- Patent number 4,663,131
- Issue date May 5, 1987
- Bayer Aktiengesellschaft
- Rudolf Gerken
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process and apparatus for concentrating corrosive liquid using radi...
- Patent number 4,164,441
- Issue date Aug 14, 1979
- Hch. Bertrams Aktiengesellschaft
- Hans L. Kuhnlein
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Multi-stage apparatus for concentrating sulphuric acid
- Patent number 4,138,309
- Issue date Feb 6, 1979
- Hch. Bertrams Aktiengesellschaft
- Hans L. Kuhnlein
- C01 - INORGANIC CHEMISTRY