Patents by Inventor Colum Dickson

Colum Dickson 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).

  • Patent number: 7170575
    Abstract: Homeotropically oriented layers and films of liquid crystals especially on polymeric substrates. The layers and films, which also can be multi-layered films comprising a homeotropically aligned anisotropic film, are preparable by application of an orientation layer to the substrate. The orientation layer can be either an organic surfactant which is fixed in a matrix of a polymeric material or an inorganic thin layer such as aluminum or Al2O3.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: January 30, 2007
    Assignee: Merck Patent GmbH
    Inventors: David Coates, Owain Llyr Parri, Jeremy Lewis Ward, David Joicey, Keith Wilbourn, Colum Dickson, John Scott
  • Publication number: 20050128395
    Abstract: Homeotropically oriented layers and films of liquid crystals especially on polymeric substrates. The layers and films, which also can be multi-layered films comprising a homeotropically aligned anisotropic film are preparable by application of an orientation layer to the substrate. The orientation layer can be either an organic surfactant which is fixed in a matrix of a polymeric material or an inorganic thin layer such as aluminum or Al2O3.
    Type: Application
    Filed: August 25, 2004
    Publication date: June 16, 2005
    Inventors: David Coates, Owain Parri, Jeremy Ward, David Joicey, Keith Wilbourn, Colum Dickson, John Scott
  • Patent number: 6816218
    Abstract: Homeotropically oriented layers and films of liquid crystals especially on polymeric substrates. The layers and films, which also can be multi-layered films comprising a homeotropically aligned anisotropic film, are preparable by application of an orientation layer to the substrate. The orientation layer can be either an organic surfactant which is fixed in a matrix of a polymeric material or an inorganic thin layer such as aluminum or Al2O3.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: November 9, 2004
    Assignee: Merck Patent GmbH
    Inventors: David Coates, Owain Llyr Parri, Jeremy Lewis Ward, David Joicey, Keith Wilbourn, Colum Dickson, John Scott