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Hanfried Arnold
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Berlin, DE
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last 30 patents
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Patent Grant
Process for the preparation of 1-methylandrosta-1,4-diene-3,17,dion...
Patent number
4,871,482
Issue date
Oct 3, 1989
Schering Aktiengesellschaft
Klaus Nickisch
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the production of 17.alpha.-acetoxy-1.alpha.,2.alpha.-m...
Patent number
4,599,200
Issue date
Jul 8, 1986
Schering Aktiengesellschaft
Hanfried Arnold
C07 - ORGANIC CHEMISTRY