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Istvan Jaksa
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Budapest, HU
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last 30 patents
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Patent Grant
Process for the conversion of corrinoids produced by microorganisms...
Patent number
5,026,640
Issue date
Jun 25, 1991
Richter Gedeon Vegyeszeti Gyar Rt.
Agnes Kelemen
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the treatment of fermentation broth containing vitamin...
Patent number
4,657,859
Issue date
Apr 14, 1987
Agnes Kelemen
C07 - ORGANIC CHEMISTRY