Patents by Inventor Robert Waldvogel

Robert Waldvogel 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).

  • Method for the preparation of alcohol-free wine
    Patent number: 4626437
    Abstract: There is disclosed a method for preparing an alcohol-free wine product. A completely fermented wine is evaporated to produce a dealcholized wine concentrate and a vapor condensate containing alcohol and aromatic substances. The condensate is separated into a fraction comprising alcohol and aromatic substances. The aromatic substances are mixed with dealcoholized wine concentrate, fruit juice concentrate, fruit juice or water to produce an alcohol-free wine product.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: December 2, 1986
    Assignee: Schweizerische Eidgenossenschaft
    Inventors: Ulrich Schobinger, Robert Waldvogel, Peter Durr