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Secondary liquefaction in ethanol production

  • US 20040091983A1
  • Filed: 05/09/2003
  • Published: 05/13/2004
  • Est. Priority Date: 11/10/2000
  • Status: Active Grant
First Claim
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1. A method of producing ethanol by fermentation, said method comprising a secondary liquefaction step in the presence of a thermostable acid alpha-amylase.

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