Patents by Inventor Robert James Twieg

Robert James Twieg 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).

  • Liquid crystalline light-modulating device
    Patent number: 6540938
    Abstract: The present invention relates to a light-modulating composition comprising a low molecular weight liquid crystalline material dispersed in a polymer including a non-mesogenic crosslinking monomer reacted with a mesogenic monomer comprising a mesogenic group, a spacer, and one or more reactive functionality.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: April 1, 2003
    Assignee: International Business Machines Corporation
    Inventors: Ali Afzali-Arkadani, Glenn Allen Held, Anthony Cyril Lowe, Robert Dennis Miller, Uwe Paul Schroeder, Robert James Twieg, Do Yeung Yoon
  • Liquid crystalline display
    Patent number: 5783114
    Abstract: The present invention is a display comprising a light-modulating composition comprising liquid crystalline pyrimidines or pyridazines preferably admixed with other liquid crystalline materials disposed between a first and second electrode.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: July 21, 1998
    Assignee: International Business Machines Corporation
    Inventors: Daniel John Dyer, Robert James Twieg
  • Photorefractive glass article
    Patent number: 5719690
    Abstract: The invention relates to a photorefractive article for the transmission of radiation comprising an optical chromophore, a charge transport agent and a nonpolymeric organic glass matrix.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: February 17, 1998
    Assignee: International Business Machines Corporation
    Inventors: Donald Maxwell Burland, Robert James Twieg
  • Poly (aryl ether benzimidazoles) their use capping layers in microelectronic structures
    Patent number: 5660921
    Abstract: A multilevel electronic package comprising at least two levels, each level including a poly(aryl ether benzimidazole), a polymide and copper. A process of preparing this package is disclosed. Several novel poly(aryl ether benzimidazoles) useful in preparing this package are also set forth.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: August 26, 1997
    Assignee: IBM Corporation
    Inventors: Kie Yeung Ahn, James Lupton Hedrick, Jr., Jeffrey William Labadie, Kang-Wook Lee, Robert James Twieg, Alfred Viehbeck, George Frederick Walker