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Eberhard Ritter
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Walldorf, DE
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last 30 patents
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Patent Grant
Process for the preparation of 2,5-di(phenylamino)terephthalic acid...
Patent number
5,367,096
Issue date
Nov 22, 1994
Hoechst Aktiengesellschaft
Eberhard Ritter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 4-halo-3-oxo-2-alkoxyaminobutyric es...
Patent number
4,933,486
Issue date
Jun 12, 1990
Hoechst Aktiengesellschaft
Eberhard Ritter
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the manufacture of 5-acetoacetylamino-benzimidazolone
Patent number
4,153,798
Issue date
May 8, 1979
Hoechst Aktiengesellschaft
Hartmut Heise
C07 - ORGANIC CHEMISTRY