Patents by Inventor Michael Holbach

Michael Holbach 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).

  • Materials for organic electroluminescent devices
    Patent number: 9499459
    Abstract: The present invention relates to substituted benz[a]anthracene derivatives, to the preparation and use thereof in organic electroluminescent devices, and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as matrix material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.
    Type: Grant
    Filed: July 5, 2010
    Date of Patent: November 22, 2016
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Holger Heil, Philipp Stoessel, Michael Holbach
  • Materials for organic electroluminescent devices
    Patent number: 9206351
    Abstract: The present invention relates to compounds according to formula (1) and/or according to formulae (4) to (10) and their use in organic electroluminescent devices, in particular as a matrix material in phosphorescent devices.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: December 8, 2015
    Assignee: Merck Patent GmbH
    Inventors: Ingrid Bach, Arne Buesing, Susanne Heun, Philipp Stoessel, Michael Holbach, Jonas Kroeber, Amir Hossain Parham
  • NOVEL MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20120126180
    Abstract: The present invention relates to substituted benz[a]anthracene derivatives, to the preparation and use thereof in organic electroluminescent devices, and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as matrix material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.
    Type: Application
    Filed: July 5, 2010
    Publication date: May 24, 2012
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Holger Heil, Philipp Stoessel, Michael Holbach
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20090167166
    Abstract: The present invention relates to compounds according to formula (1) and/or according to formulae (4) to (10) and their use in organic electroluminescent devices, in particular as a matrix material in phosphorescent devices.
    Type: Application
    Filed: May 21, 2007
    Publication date: July 2, 2009
    Applicant: MERCK PATENT GMBH
    Inventors: Ingrid Bach, Arne Buesing, Susanne Heun, Philipp Stoessel, Michael Holbach, Jonas Kroeber, Amir Hossain Parham