Hans Wolfram

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for ring-chlorinating toluene
- Patent number 4,647,709
- Issue date Mar 3, 1987
- Hoechst Aktiengesellschaft
- Hans Wolfram
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 1,3,5-trichlorobenzene
- Patent number 4,306,103
- Issue date Dec 15, 1981
- Hoechst Aktiengesellschaft
- Gert Volkwein
- C07 - ORGANIC CHEMISTRY