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Norbert Schonberger
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Wehrheim, DE
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last 30 patents
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Patent Grant
Cationic compounds of the naphthalimide series, process for their p...
Patent number
4,595,756
Issue date
Jun 17, 1986
Hoechst Aktiengesellschaft
Norbert Schonberger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cationic compounds of the naphthalimide series, process for their p...
Patent number
4,508,900
Issue date
Apr 2, 1985
Hoechst Aktiengesellschaft
Norbert Schonberger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternized, bridged benzimidazolylbenzimidazoles, processes for th...
Patent number
4,309,551
Issue date
Jan 5, 1982
Hoechst Aktiengesellschaft
Norbert Schonberger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,3,4-Oxadiazolone-(2) compounds and process for their manufacture
Patent number
4,246,403
Issue date
Jan 20, 1981
Hoechst Aktiengesellschaft
Gunter Prossel
C07 - ORGANIC CHEMISTRY