Patents by Inventor Theo Heideman

Theo Heideman 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).

  • Flavoring with alkyl (3-methylthio)-butyrates
    Patent number: 5047256
    Abstract: The invention relates to alkyl (3-methylthio)-butyrates wherein the alkyl group has 4 to 5 carbon atoms, to their use in flavor compositions and to the use of these compounds or flavor composition comprising these compounds in foodstuffs and stimulants. The compounds impart a fresh fruit flavor character. Preferred is isobutyl (3-methylthio)-butyrate.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: September 10, 1991
    Assignee: Naarden International N.V.
    Inventors: Bruijnje, Theo Heideman, Hans J. Wille
  • Perfume compositions and perfumed products which contain an alkyl 2-mercaptobenzoate as fragrance material
    Patent number: 4749682
    Abstract: Perfume compositions and perfumed products characterized by a content of one or more fragrances having a long-lasting flowery and somewhat spicy odor with a not very pronounced sulphurous note and corresponding to the formula ##STR1## wherein R represents a methyl or ethyl group.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: June 7, 1988
    Assignee: Naarden International N.V.
    Inventors: Pieter J. De Valois, Theo Heideman, Hans J. Wille, Henry L. A. Van Den Heuvel