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Rolf H. Kretz
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Singen, DE
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last 30 patents
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Patent Grant
Method for the recovery of enzymes after the treatment of starch-co...
Patent number
4,436,814
Issue date
Mar 13, 1984
PEC Process Engineering Company
Hans Muller
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Continuous fermentation in series of main vessels with auxiliary ve...
Patent number
4,419,448
Issue date
Dec 6, 1983
Process Engineering Company SA
Rolf H. Kretz
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method of continuous treatment of grain mash for producing ethanol
Patent number
4,416,989
Issue date
Nov 22, 1983
Process Engineering Company SA
Rolf H. Kretz
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...