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Thomas Staffel
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Hurth, DE
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last 30 patents
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Patent Grant
Process for the preparation of ammonium polyphosphate
Patent number
5,277,887
Issue date
Jan 11, 1994
Hoechst Aktiengesellschaft
Thomas Staffel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the removal of ammonia from gases
Patent number
5,180,566
Issue date
Jan 19, 1993
Hoechst Aktiengesellschaft
Thomas Staffel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing ammonium polyphosphate
Patent number
5,165,904
Issue date
Nov 24, 1992
Hoechst Aktiengesellschaft
Thomas Staffel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Plant for producing ammonium polyphosphate
Patent number
5,158,752
Issue date
Oct 27, 1992
Hoechst Aktiengesellschaft
Thomas Staffel
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for the preparation of ammonium polyphosphate
Patent number
5,139,758
Issue date
Aug 18, 1992
Hoechst Aktiengesellschaft
Thomas Staffel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of alkali metal phosphate solutions
Patent number
5,124,137
Issue date
Jun 23, 1992
Hoechst Aktiengesellschaft
Gunther Schimmel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ammonium polyphosphate which gives a low-visc...
Patent number
5,043,151
Issue date
Aug 27, 1991
Hoechst Aktiengesellschaft
Thomas Staffel
C01 - INORGANIC CHEMISTRY