Patents by Inventor John H. Wertheim

John H. Wertheim 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).

  • Freeze drying a frozen foam of coffee concentrate
    Patent number: 4565706
    Abstract: Freeze dried soluble coffee having a density of about 0.2 to 0.3 gm/cc is prepared from concentrated coffee extract by foaming the extract with inert gas, freezing the foam and freeze drying the frozen foam. Other features of the invention appear in the following specification.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: January 21, 1986
    Assignee: Nestec S.A.
    Inventors: John H. Wertheim, Abraham R. Mishkin
  • Process for preparing freeze dried soluble coffee
    Patent number: 4324808
    Abstract: Freeze dried soluble coffee having a density of about 0.2 to 0.3 gm/cc is prepared from concentrated coffee extract by foaming the extract with inert gas, freezing the foam and freeze drying the particulated frozen foam. Other features of the invention appear in the following specification.
    Type: Grant
    Filed: September 26, 1979
    Date of Patent: April 13, 1982
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: John H. Wertheim, Abraham R. Mishkin