Patents by Inventor Rene LUTZ

Rene LUTZ 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: 11702597
    Abstract: The present invention relates to azo dye of formula I defined in claim 1, to a liquid crystalline medium comprising said azo dye, the use of said medium for optical, electrooptical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows. The invention further relates to a device containing the liquid crystalline medium according to the invention.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: July 18, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Kerstin Altenburg, René Lutz, Susann Gunst, Michael Junge, Ursula Patwal
  • Publication number: 20230056437
    Abstract: The present invention relates to azo dye of formula I defined in claim 1, to a liquid crystalline medium comprising said azo dye, the use of said medium for optical, electrooptical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows. The invention further relates to a device containing the liquid crystalline medium according to the invention.
    Type: Application
    Filed: September 23, 2019
    Publication date: February 23, 2023
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Kerstin ALTENBURG, René LUTZ, Susann GUNST, Michael JUNGE, Ursula PATWAL
  • Publication number: 20220275277
    Abstract: The present invention relates to a liquid crystalline medium comprising dichroitic dyes made of benzothiadiazoles and related extended heterocyclic derivatives, the use of said medium for optical, electro-optical and electronic purposes, in particular in devices for regulating the passage of radiation energy from an outside space into an inside space, for example in windows. The invention further relates to devices containing the liquid crystalline medium according to the invention. Some new dichroitic dyes are disclosed.
    Type: Application
    Filed: June 17, 2019
    Publication date: September 1, 2022
    Applicant: Merck Patent GmbH
    Inventors: Christoph WETZEL, Peer KIRSCH, Susann GUNST, Andreas RUHL, Andrea RITTER, Rene LUTZ, Michael JUNGE
  • Patent number: 10982150
    Abstract: The present invention relates to liquid crystalline media comprising one or more naphthothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, L, r, s and t have the meanings indicated in claim 1, to the use of such liquid crystal media for optical, electro-optical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 20, 2021
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Rene Lutz, Michael Junge, Ursula Patwal
  • Publication number: 20190241811
    Abstract: The present invention relates to liquid crystalline media comprising one or more naphthothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, L, r, s and t have the meanings indicated in claim 1, to the use of such liquid crystal media for optical, electro-optical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows.
    Type: Application
    Filed: June 26, 2017
    Publication date: August 8, 2019
    Applicant: Merck Patent GmbH
    Inventors: Peer KIRSCH, Rene LUTZ, Michael JUNGE, Ursula PATWAL