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Ernst Schaffner
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Ludwigshafen, DT
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last 30 patents
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Patent Grant
Production of 3-monochloro-2,4,5-trialkylbenzophenones and 3,6-dich...
Patent number
4,001,335
Issue date
Jan 4, 1977
BASF Aktiengesellschaft
Ernst Schaffner
C07 - ORGANIC CHEMISTRY
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Patent Grant
Production of dimethylbenzophenone
Patent number
3,933,917
Issue date
Jan 20, 1976
Badische Anilin- & Soda-Fabrik Aktiengesellschaft
Ernst Schaffner
C07 - ORGANIC CHEMISTRY