Hermann Niermann

Person

Erfstadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for making phosphorus pentasulfide
- Patent number 4,732,745
- Issue date Mar 22, 1988
- Hoechst Aktiengesellschaft
- Herbert Diskowski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for controlling and optionally regulating the level of liqui...
- Patent number 4,520,631
- Issue date Jun 4, 1985
- Hoechst Aktiengesellschaft
- Gunter Reichert
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing molten phosphorus pentsulfide from a reactor
- Patent number 4,473,538
- Issue date Sep 25, 1984
- Hoechst Aktiengesellschaft
- Johannes Krause
- C01 - INORGANIC CHEMISTRY
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
Method and apparatus for controlling and optionally regulating the...
- Patent number 4,386,503
- Issue date Jun 7, 1983
- Hoechst Aktiengesellschaft
- Gunter Reichert
- 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
Information Patent Grant
Process for improving the reactivity of phosphorus pentasulfide
- Patent number 4,173,621
- Issue date Nov 6, 1979
- Hoechst Aktiengesellschaft
- Johannes Krause
- C01 - INORGANIC CHEMISTRY

Hermann Niermann

Person

Patents Grantslast 30 patents

Process for making phosphorus pentasulfide

Method for controlling and optionally regulating the level of liqui...

Process for removing molten phosphorus pentsulfide from a reactor

Preparing P.sub.2 S.sub.5 of low reactivity

Apparatus for making phosphorus pentasulfide

Method and apparatus for controlling and optionally regulating the...

Production of phosphorus pentasulfide of predetermined reactivity

Process for improving the reactivity of phosphorus pentasulfide