Patents by Inventor Jane Wallner

Jane Wallner 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).

  • Photosensitive emulsion for holographic plates and method
    Patent number: 5017447
    Abstract: The optical image properties of gelatin holograms are improved by reducing uneven shrinkage during chemical development. This is accomplished by introducing from 2 to 10 weight percent of a water soluble sizing agent into the gelatin. Suitable sizing agents include polyvinylpyrrolidone homopolymer and polyvinylpyrrolidone-vinyl acetate copolymers.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: May 21, 1991
    Assignee: Hughes Aircraft Company
    Inventors: Jane Wallner, Kevin Yu