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Helmut Schmidhammer
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Bethesda, MD, US
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last 30 patents
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Patent Grant
6-Keto-morphinans belonging to the 14-hydroxy-series
Patent number
4,390,699
Issue date
Jun 28, 1983
The United States of America as represented by the Secretary of the Departmen...
Arnold Brossi
C07 - ORGANIC CHEMISTRY
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Patent Grant
6-Keto-morphinan analgesics
Patent number
4,388,463
Issue date
Jun 14, 1983
The United States of America as represented by Secretary of the Department of...
Arnold Brossi
C07 - ORGANIC CHEMISTRY