Patents by Inventor Valsa Kannookadan

Valsa Kannookadan 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).

  • Photoaligning materials
    Patent number: 9334366
    Abstract: The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (I), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (LCDs), especially for planar orientation of liquid crystals.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: May 10, 2016
    Assignee: ROLIC AG
    Inventors: Mohammed Ibn-Elhaj, Eva Veenstra, Sabrina Chappellet, Jean-François Eckert, Frederic Lincker, Satish Palika, Valsa Kannookadan, Qian Tang
  • PHOTOALIGNING MATERIALS
    Publication number: 20140342086
    Abstract: The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (I), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (LCDs), especially for planar orientation of liquid crystals.
    Type: Application
    Filed: September 28, 2012
    Publication date: November 20, 2014
    Inventors: Mohammed Ibn-Elhaj, Eva Veenstra, Sabrina Chappellet, Jean-François Eckert, Frédéric Lincker, Satish Palika, Valsa Kannookadan, Qian Tang