Patents by Inventor Boogaards-KoHenriette S.

Boogaards-KoHenriette S. 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).

  • Patent number: 5068166
    Abstract: A method of producing a self-supporting film carrying a positive photographic image is provided, comprising splitting an image-carrying positive photographic film in a manner known per se and removing remaining adhering paper residues from the image part and using the so obtained image part as the self-supporting film having thickness of less than 50 .mu.m. Also embodiments are shown for carrying out this process continuously.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: November 26, 1991
    Inventor: Boogaards-KoHenriette S.