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Josef Kretschmann
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Langenfeld, DE
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last 30 patents
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Patent Grant
Fermentive production of 1,3-propanediol
Patent number
5,254,467
Issue date
Oct 19, 1993
Henkel Kommanditgesellschaft auf Aktien
Josef Kretschmann
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Patent Grant
Process for the sulfonation and/or sulfatization of organic compone...
Patent number
4,973,686
Issue date
Nov 27, 1990
Henkel Kommanditgesellschaft auf Aktien
Josef Kretschmann
C07 - ORGANIC CHEMISTRY