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Preservation of wine

  • US 3,198,636 A
  • Filed: 06/08/1962
  • Issued: 08/03/1965
  • Est. Priority Date: 06/08/1962
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR PRESERVING WINES CONTAINING CARBOHYDRATES, AND SUSCEPTIBLE TO ENZYMATIC DECOMPOSITION THROUGH FERMENTATION,WHICH COMPIRSES INCORPORATING WITH THE PERISHABLE MATERIAL SULFUR DIOXIDE AND A NONTOXIC PYROCARBONIC ACID ESTER, EACH IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.005 TO ABOUT 2% BY WEIGHT, AND IN A WEIGHT RATIO OF FROM ABOUT 5:

  • 1 TO ABOUT 1;

    5;

    SUFFICIENT TO LESSEN MICROBIOLOGICAL DETERIORATION OF THE MATERIAL DUE TO ANY MICROORGANISM SELECTED FROM THE GROUP CONSISTING OF SACCHAROMYCES PASTORIANUS, SACCHAROMYCES ELIPSOIDEUS, PICHIA FARINOSA, BACTERIUM BUTYRIFACENS, ACETOBACTER SUBOXYDANS, CLOSTRIDIUM ACETOBUTYLICUM, PENICILLIUM GRISEOFULVUM, ASPERGILLUS FLAVUS AND RHISOPUS ELEGANS, THE SULFUR DIOXIDE AND PYROCARBONIC ACID ESTER EACH SYNERGIZING THE EFFECTIVENESS OF THE OTHER.

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