Patents by Inventor Elizabeth A. Karoll

Elizabeth A. Karoll 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).

  • Novel flavoring compositions and products containing 2-methyl-3-thio-(2-methylbutyryl)-furan
    Patent number: 3961093
    Abstract: Methods for altering, modifying or enhancing the roasted, nutty taste and aroma of foodstuffs comprising incorporating with such foodstuffs a small but effective amount of 2-methyl-3-thio-(2-methylbutyryl)-furan having the formula: ##SPC1##Together with compositions containing the 2-methyl-3-thio-(2-methylbutyryl)-furan for use in altering, modifying or enhancing such organoleptic properties.
    Type: Grant
    Filed: August 12, 1975
    Date of Patent: June 1, 1976
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Howard H. Heinsohn, Jr., Bernard J. Mayers, Elizabeth A. Karoll
  • Novel flavoring compositions and products comprising 2,5-dimethyl-3-thioisovaleryl furan
    Patent number: 3958029
    Abstract: Methods for altering, modifying or enhancing the creamy, cocoa aroma and/or taste of foodstuffs comprising incorporating with such foodstuffs a small but effective amount of 2,5-dimethyl-3-thioisovaleryl furan having the structure: ##SPC1##
    Type: Grant
    Filed: August 12, 1975
    Date of Patent: May 18, 1976
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William J. Evers, Howard H. Heinsohn, Jr., Bernard J. Mayers, Elizabeth A. Karoll