Bernhard Hofmann

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Hurth-Knapsack, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for purifying phosphorous acid
- Patent number 4,834,960
- Issue date May 30, 1989
- Hoechst Aktiengesellschaft
- Jurgen Grosse
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making manganese (II) salt solutions containing ammoniu...
- Patent number 4,600,565
- Issue date Jul 15, 1986
- Hoechst Aktiengesellschaft
- Klaus Lehr
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for removing molybdenum from aqueous manganese salt solutions
- Patent number 4,462,912
- Issue date Jul 31, 1984
- Hoechst Aktiengesellschaft
- Eberhard Preisler
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for removing molybdenum from aqueous salt solutions
- Patent number 4,391,714
- Issue date Jul 5, 1983
- Hoechst Aktiengesellschaft
- Eberhard Preisler
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...