Patents by Inventor Jan C. Nielsen

Jan C. Nielsen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composition for inducing malolactic fermentation using Leuconostoc oenos strains accession numbers DSM 7008-DSM 7015
    Patent number: 5607854
    Abstract: A method of inducing malolactic fermentation in wine or fruit juice by the direct inoculation of a concentrate of a starter culture containing a selected malolactically active bacterial strain or strains having the accession no. DSM 7008, DSM 7009, DSM 7010, DSM 7011, DSM 7012, DSM 7013, DSM 7014 and DSM 7015. Further, the strains are characterized as having a survival rate of at least 80% when introduced into a wine having a pH of 3.2 or lower and containing at least 25 mg SO.sub.2 per L and at least 12 vol % ethanol. Also the strains are capable of starting malolactic fermentation when added directly to the wine or fruit juice at a concentration of less than 10.sup.7 colony forming units per mL.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: March 4, 1997
    Assignee: Chr. Hansen A/S
    Inventors: Claus Prahl, Jan C. Nielsen