Patents Examined by James M. Covert
  • Process for preparing liquid crystalline polymer composites
    Patent number: 4937013
    Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodiment this invention provides a sole-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline polymer.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: June 26, 1990
    Assignee: Hoechst Celanese Corp.
    Inventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich