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Edgar Fritschi
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Rothenbach, DE
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last 30 patents
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Patent Grant
2,4-Diamino-5-(4'-methylthio)benzylpyrimidenes, compounds, composit...
Patent number
4,180,578
Issue date
Dec 25, 1979
Ludwig Heumann, & Co. GmbH
Edgar Fritschi
C07 - ORGANIC CHEMISTRY
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Patent Grant
Antispasmodic substituted sulphoximides
Patent number
4,105,795
Issue date
Aug 8, 1978
Ludwig Heumann & Co. GmbH.
Manfred Haake
C07 - ORGANIC CHEMISTRY