Patents by Inventor Francisco Herrero

Francisco Herrero 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).

  • Packaging material
    Patent number: 4139665
    Abstract: A laminate comprising an inner and an outer water vapor barrier layer and an intermediate flavor and oxygen barrier layer of a thermoplastic material with a high nitrile content provides for a packaging material for perfumed and flavored compositions, e.g. a dentifrice-tube.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: February 13, 1979
    Assignee: Lever Brothers Company
    Inventor: Francisco Herrero