Friedrich Neumann

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Holzwickede, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparing P.sub.2 S.sub.5 of low reactivity
- Patent number 4,419,104
- Issue date Dec 6, 1983
- Hoechst Aktiengesellschaft
- Hermann Niermann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for making phosphorus pentasulfide
- Patent number 4,396,581
- Issue date Aug 2, 1983
- Hoechst Aktiengesellschaft
- Hans-Dieter Benscheidt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of phosphorus pentasulfide of predetermined reactivity
- Patent number 4,248,602
- Issue date Feb 3, 1981
- Hoechst Aktiengesellschaft
- Hermann Niermann
- C01 - INORGANIC CHEMISTRY