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Harald Berger
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Kelkheim, DE
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last 30 patents
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Patent Grant
Reactor for carrying out chemical reactions
Patent number
5,484,573
Issue date
Jan 16, 1996
Hoechst Aktiengesellschaft
Harald Berger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the preparation of pure propanephosphonic anhydride
Patent number
5,319,138
Issue date
Jun 7, 1994
Hoechst Aktiengesellschaft
Gunter Roscher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous process for the preparation of sulfonylisocyanates
Patent number
5,294,741
Issue date
Mar 15, 1994
Hoechst Aktiengesellschaft
Gunter Schlegel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of vinylphosphonic dichloride
Patent number
4,761,251
Issue date
Aug 2, 1988
Hoechst Aktiengesellschaft
Herbert Siegel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of vinylphosphonic dichloride
Patent number
4,761,252
Issue date
Aug 2, 1988
Hoechst Aktiengesellschaft
Herbert Siegel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 2-chloroethanephosphonic dichloride
Patent number
4,749,524
Issue date
Jun 7, 1988
Hoechst Aktiengesellschaft
Herbert Siegel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Absorbent for water purification and process for preparing same
Patent number
4,164,482
Issue date
Aug 14, 1979
Hoechst Aktiengesellschaft
Harald Berger
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE