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Wilfried Sahm
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Kelkheim, Taunus, DE
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last 30 patents
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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
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Patent Grant
Heterocyclic azomethines
Patent number
4,122,256
Issue date
Oct 24, 1978
Hoechst Aktiengesellschaft
Wilfried Sahm
C07 - ORGANIC CHEMISTRY