Patents by Inventor Elvira Montenegro

Elvira Montenegro 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
    Publication number: 20180212149
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Application
    Filed: July 1, 2016
    Publication date: July 26, 2018
    Inventors: Jochen PFISTER, Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Frank STIEBER, Frank VOGES
  • Spirobifluorene derivative-based materials for electronic devices
    Patent number: 10032989
    Abstract: The present application relates to spirobifluorene derivatives of a formula (I), to the use thereof in electronic devices, and to processes for preparing said derivatives.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: July 24, 2018
    Assignee: Merck Patent GmbH
    Inventors: Jochen Pfister, Teresa Mujica-Fernaud, Elvira Montenegro
  • Hole transport material
    Patent number: 9997714
    Abstract: The invention relates to 2,2?,7,7?-tetrakis-(N,N?-di-4-methoxy-3-methylphenylamine)-9,9?-spirofluorene, to a process for its preparation, and to its use as hole transport material for electronic or optoelectronic devices, especially for solid-state dye-sensitized solar cells.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: June 12, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Hiromi Shinohara, Atsushi Sawada, Elvira Montenegro, Heinrich Becker
  • Materials for electronic devices
    Patent number: 9978949
    Abstract: The application relates to a compound of a formula (I) which is suitable for use as functional material in electronic devices.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 22, 2018
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Frank Voges, Jonas Valentin Kroeber, Philipp Stoessel
  • Materials for electronic devices
    Patent number: 9978950
    Abstract: The present application relates to a compound of a formula (I) which contains a spirobifluorene basic structure condensed onto a benzofuran unit. The application furthermore relates to a process for the preparation of the compound of the formula (I), and to the use of the compound of the formula (I) in an electronic device.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: May 22, 2018
    Assignee: Merck Patent GmbH
    Inventors: Jochen Pfister, Frank Voges, Elvira Montenegro, Teresa Mujica-Fernaud
  • Materials for organic electroluminescent devices
    Patent number: 9947874
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: April 17, 2018
    Assignee: Merck Patent GmbH
    Inventors: Christof Pflumm, Amir Hossain Parham, Constanze Brocke, Elvira Montenegro, Frank Voges, Holger Heil, Arne Buesing
  • COMPOUNDS AND ORGANIC ELECTRONIC DEVICES
    Publication number: 20180097178
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 5, 2018
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
  • 9,9?-spirobixanthene derivatives for electroluminescent devices
    Patent number: 9929354
    Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: March 27, 2018
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Elvira Montenegro, Arne Buesing, Teresa Mujica-Fernaud, Joachim Kaiser
  • Compounds and organic electronic devices
    Patent number: 9882142
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: January 30, 2018
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
  • SPIROBIFLUORENE DERIVATIVE-BASED MATERIALS FOR ELECTRONIC DEVICES
    Publication number: 20180026188
    Abstract: The present application relates to spirobifluorene derivatives of a formula (I), to the use thereof in electronic devices, and to processes for preparing said derivatives.
    Type: Application
    Filed: January 19, 2016
    Publication date: January 25, 2018
    Inventors: Jochen PFISTER, Teresa MUJICA-FERNAUD, Elvira MONTENEGRO
  • Liquid-crystalline medium and electro-optical display
    Patent number: 9873834
    Abstract: The invention relates to a liquid-crystalline medium having a nematic phase and negative dielectric anisotropy which comprises a) one or more compounds of formula I b) one or more compounds of formula II and c) one or more compounds selected from the compounds of formulae III-1 to III-4 in which the parameters have the meanings indicated herein, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of the formula I for the stabilisation of a liquid-crystalline medium which comprises one or more compounds of formula II and one or more compounds selected from the compounds of formulae III-1 to III-4.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: January 23, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Mark Goebel, Elvira Montenegro, Atsutaka Manabe
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20180019405
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 18, 2018
    Inventors: Elvira MONTENEGRO, Amir H. PARHAM, Philipp STOESSEL, Teresa MUJICA-FERNAUD, Frank VOGES, Arne BUESING
  • MATERIALS FOR ELECTRONIC DEVICES
    Publication number: 20180006245
    Abstract: The present application relates to spirobifluorene derivatives of a formula (I), to the use thereof in electronic devices, and to processes for preparing said derivatives.
    Type: Application
    Filed: December 8, 2015
    Publication date: January 4, 2018
    Inventors: Jochen PFISTER, Frank STIEBER, Elvira MONTENEGRO, Teresa MUJICA-FERNAUD
  • Materials for electronic devices
    Patent number: 9837617
    Abstract: The present application relates to a compound of a formula (I) which contains a spirobifluorene basic structure condensed onto a benzofuran unit. The application furthermore relates to a process for the preparation of the compound of the formula (I), and to the use of the compound of the formula (I) in an electronic device.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 5, 2017
    Assignee: Merck Patent GmbH
    Inventors: Jochen Pfister, Frank Voges, Elvira Montenegro, Teresa Mujica-Fernaud
  • Electronic device
    Patent number: 9831441
    Abstract: The invention relates to an electronic device containing at least one compound of formula (I) or (II) in an organic layer. The invention further relates to a method for producing the electronic device and the use of a compound of formula (I) or (II) in an electronic device.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: November 28, 2017
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Irina Martynova, Elvira Montenegro, Teresa Mujica-Fernaud, Frank Voges, Arne Buesing
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20170338414
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 23, 2017
    Inventors: Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Jochen PFISTER
  • Spirobifluorene compounds for organic electroluminescent devices
    Patent number: 9812648
    Abstract: Spirobifluroene compounds of the formula (1) which are suitable for use in electronic devices, and in particular organic electroluminescent devices, and to electronic devices that include the spirobifluorene compounds.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: November 7, 2017
    Assignee: Merck Patent GmbH
    Inventors: Elvira Montenegro, Amir H. Parham, Philipp Stoessel, Teresa Mujica-Fernaud, Frank Voges, Arne Buesing
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20170317283
    Abstract: The present invention relates to compounds of formula (1) which are suitable for use in electronic devices, especially in organic electroluminescent devices.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 2, 2017
    Inventors: Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Jochen PFISTER, Irina MARTYNOVA, Frank STIEBER
  • Compounds and Organic Electronic Devices
    Publication number: 20170317285
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Inventors: Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Amir Hossain PARHAM, Arne BUESING, Frank VOGES
  • MATERIALS FOR ELECTRONIC DEVICES
    Publication number: 20170301865
    Abstract: The present application relates to a compound of a formula (I) which contains a spirobifluorene basic structure condensed onto a benzofuran unit. The application furthermore relates to a process for the preparation of the compound of the formula (I), and to the use of the compound of the formula (I) in an electronic device.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 19, 2017
    Inventors: Jochen PFISTER, Frank VOGES, Elvira MONTENEGRO, Teresa MUJICA-FERNAUD