Patents by Inventor Josefina Pruksarnukul

Josefina Pruksarnukul 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).

  • Self-assembled optical media
    Patent number: 5246747
    Abstract: Optical media formed from a water soluble polymer and liquid crystal forming amphiphile are disclosed and claimed. The polymer and amphiphile are cast into a film which exhibits an optical axis of symmetry perpendicular to the film surface.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: September 21, 1993
    Assignee: Hoechst Celanese Corp.
    Inventors: Gunilla E. Gillberg-LaForce, Hartmann Leube, Leroy McKenzie, Elizabeth A. Reeder, Josefina Pruksarnukul, Bettina E. Bonsall