Patents by Inventor Vladimir M. Kozenkov

Vladimir M. Kozenkov 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).

  • Method of manufacturing photo-alignment layer
    Patent number: 6582776
    Abstract: A photo-alignment layer having excellent long-term stability to light and heat is manufactured by coating a material for the photo-alignment layer, which contains a dichroic dye having two or more polymerizable groups per molecule, on a substrate, and exposing the coating layer to polarized light, thereby imparting a photo-alignment function, and polymerizing the polymerizable groups by heating or light exposure.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: June 24, 2003
    Assignees: Hong Kong University of Science And Technology, Dainippon Ink and Chemicals, Inc.
    Inventors: Wing C. Yip, Elena K. Prudnikova, Hoi S. Kwok, Vladimir G. Chigrinov, Vladimir M. Kozenkov, Hirokazu Takada, Masanobu Fukuda
  • Method of manufacturing photo-alignment layer
    Publication number: 20020098295
    Abstract: A photo-alignment layer having excellent long-term stability to light and heat is manufactured by coating a material for the photo-alignment layer, which contains a dichroic dye having two or more polymerizable groups per molecule, on a substrate, and exposing the coating layer to polarized light, thereby imparting a photo-alignment function, and polymerizing the polymerizable groups by heating or light exposure.
    Type: Application
    Filed: November 19, 2001
    Publication date: July 25, 2002
    Applicant: HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Wing C. Yip, Elena K. Prudnikova, Hoi S. Kwok, Vladimir G. Chigrinov, Vladimir M. Kozenkov, Hirokazu Takada, Masanobu Fukuda
  • Process for making photopolymers having varying molecular orientation using light to orient and polymerize
    Patent number: 5389698
    Abstract: An oriented photopolymer is a polymer where photomodification is initiated by irradiation with plane-polarized light and where the molecular configuration has a preferred orientation as a result of linear polarization. These polymers have optically anisotropic and other novel properties.
    Type: Grant
    Filed: September 21, 1993
    Date of Patent: February 14, 1995
    Assignees: Hoffmann-La Roche Inc., Niopic Moscow Research and Production Association
    Inventors: Vladimir G. Chigrinov, Vladimir M. Kozenkov, Nicolic V. Novoseletsky, Victor Y. Reshetnyak, Yuriy A. Reznikov, Martin Schadt, Klaus Schmitt