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Sigmund Mayer
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Burgkirchen/Alz, DE
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last 30 patents
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Patent Grant
Process for improving the activity of used supported silver catalysts
Patent number
4,478,948
Issue date
Oct 23, 1984
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silver catalysts, and a process for their preparation
Patent number
4,471,071
Issue date
Sep 11, 1984
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silver catalysts, a process for their preparation, and their use in...
Patent number
4,458,032
Issue date
Jul 3, 1984
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of extremely pure monoethylene glycol
Patent number
4,349,417
Issue date
Sep 14, 1982
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for improving the activity of supported silver catalysts
Patent number
4,335,014
Issue date
Jun 15, 1982
Hoechst Aktiengesellschaft
Josef Alfranseder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for improving the activity of used supported silver catalysts
Patent number
4,186,106
Issue date
Jan 29, 1980
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for improving the activity of used supported silver catalysts
Patent number
4,177,169
Issue date
Dec 4, 1979
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for improving the activity of used supported silver catalysts
Patent number
4,123,385
Issue date
Oct 31, 1978
Hoechst Aktiengesellschaft
Siegfried Rebsdat
C07 - ORGANIC CHEMISTRY