Theo Dahmen

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Bruhl, DE

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Patents Grantslast 30 patents

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Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,968,490
- Issue date Nov 6, 1990
- Hoechst Aktiengesellschaft
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making a granular product containing sodium triphosphate
- Patent number 4,800,055
- Issue date Jan 24, 1989
- Hoechst Aktiengesellschaft
- Helmut Klee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making phosphorus pentoxide of diminished reactivity
- Patent number 4,777,025
- Issue date Oct 11, 1988
- Hoechst Aktiengesellschaft
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,721,608
- Issue date Jan 26, 1988
- Hoechst AG
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Spheroidal alkali metal polyphosphates of low apparent density, and...
- Patent number 4,717,557
- Issue date Jan 5, 1988
- Hoechst AG
- Werner Kowalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for the production of hexagonal phosphorus pentoxide
- Patent number 4,219,533
- Issue date Aug 26, 1980
- Hoechst Aktiengesellschaft
- Gerhard Hartlapp
- C01 - INORGANIC CHEMISTRY