U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Continuous production of fermented liquids

Patent 4009286 Issued on February 22, 1977. Estimated Expiration Date: Icon_subject February 22, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3402103

3524402

3875303

Inventors

Assignee

Application

No. 484868 filed on 07/01/1974

US Classes:

426/13, Multiple different fermentations426/16, Of malt wort426/521, Pasteurizing or sterilizing435/176, Enzyme or microbial cell is immobilized on or in an inorganic carrier435/180, Carrier is synthetic polymer435/93, Mashing or wort making99/276Primary-alcoholic fermentations with subsequent and/or prior operations

Examiners

Primary: Naff, David M.

Attorney, Agent or Firm

Foreign Application Priority Data

1973-10-19 FR

Abstract

Production of fermented liquids such as beer is continuously carried out under sterile conditions by flash sterilizing a mixture of wort and bitter substances by direct steam injection, boiling the mixture to complete transformation of bitter substances incorporated in the wort, decanting a precipitate formed in the wort under aeration of the wort by sterile air or oxygen, fermenting the wort by bringing the wort under sterile conditions into contact with yeast immobilized on an inert support, storing the fermented wort in the presence of yeast under sterile conditions and passing the fermented wort under sterile conditions into contact with a protease fixed on a support.

Other References

  • De Clark, J., A Textbook of Brewing, Chapman & Hall, Ltd., London, vol. 1, 1957 (pp. 424-426, 445 and 446)
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