Patents by Inventor Andreas Ruhl

Andreas Ruhl 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: 11522141
    Abstract: An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R1-(A1-Z1)r—B1—(Z2-A2)s-Sp-G, wherein A1, A2, B1, Z1, Z2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 6, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Andreas Ruhl, Marc Tornow, Achyut Bora
  • 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: 11168257
    Abstract: The present invention relates to liquid crystalline media comprising one or more benzothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s 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: July 17, 2017
    Date of Patent: November 9, 2021
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Andreas Ruhl, Michael Junge, Ursula Patwal, Mila Fischer
  • Publication number: 20210292651
    Abstract: An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R1-(A1-Z1)r—B1—(Z2-A2)s-Sp-G, wherein A1, A2, B1, Z1, Z2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Andreas RUHL, Marc TORNOW, Achyut BORA
  • Patent number: 11063227
    Abstract: An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R1-(A1-Z1)r—B1—(Z2-A2)s-Sp-G, wherein A1, A2, B1, Z1, Z2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: July 13, 2021
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Andreas Ruhl, Marc Tornow, Achyut Bora
  • Patent number: 10741778
    Abstract: An electronic component (10) comprising a plurality of switching elements (1) which comprise, in this sequence, a first electrode (16), a molecular layer (18) bonded to a substrate, and a second electrode (20), where the molecular layer essentially consists of molecules (M) which contain a connecting group (V) and an end group (E) having a polar or ionic function, is suitable as memristive device for digital information storage.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: August 11, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Qiong Tong, Andreas Ruhl, Marc Tornow, Achyut Bora
  • Patent number: 10738240
    Abstract: The present invention relates to thiadiazoloquinoxaline derivatives of the formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s have the meanings indicated in Claim 1, to processes and intermediates for the preparation thereof, to the use of the compounds of the formula I for optical, electro-optical and electronic purposes, in particular in liquid-crystal media and in devices for regulating the passage of energy from an outside space into an inside space, and to these LC media and the devices comprising these media.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: August 11, 2020
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Andreas Ruhl, Susann Gunst, Michael Junge, Ursula Patwal, Mila Fischer
  • Publication number: 20190312216
    Abstract: An electronic switching element (1) which comprises, in this sequence, a first electrode (16), a molecular layer (18) bonded to a substrate, and a second electrode (20), where the molecular layer essentially consists of compounds of the formula I indicated in claim 1, in which a mesogenic radical is bonded to the substrate via a spacer group (Sp) by means of an anchor group (G), is suitable for the production of components (1) as memristive device for digital information storage.
    Type: Application
    Filed: July 4, 2017
    Publication date: October 10, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Andreas RUHL, Marc TORNOW, Achyut BORA
  • Patent number: 10344217
    Abstract: The present application relates to a device for regulating the passage of energy from an outside space into an inside space, where the device comprises a switching layer comprising one or more dichroic dyes of a formula (I) or formula (II).
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: July 9, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Alexander Hahn, Andreas Ruhl, Susann Beck, Junyou Pan, Michael Junge, Andreas Beyer, Ursula Patwal
  • Publication number: 20190153320
    Abstract: The present invention relates to liquid crystalline media comprising one or more benzothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s 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: July 17, 2017
    Publication date: May 23, 2019
    Applicant: Merck Patent GmbH
    Inventors: Peer KIRSCH, Andreas RUHL, Michael JUNGE, Ursula PATWAL, Mila FISCHER
  • Publication number: 20180142153
    Abstract: The present invention relates to thiadiazoloquinoxaline derivatives of the formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s have the meanings indicated in claim 1, to processes and intermediates for the preparation thereof, to the use of the compounds of the formula I for optical, electro-optical and electronic purposes, in particular in liquid-crystal media and in devices for regulating the passage of energy from an outside space into an inside space, and to these LC media and the devices comprising these media.
    Type: Application
    Filed: April 13, 2016
    Publication date: May 24, 2018
    Applicant: Merck Patent GmbH
    Inventors: Peer KIRSCH, Andreas RUHL, Susann GUNST, Michael JUNGE, Ursula PATWAL, Mila FISCHER
  • Publication number: 20180006253
    Abstract: An electronic component (10) comprising a plurality of switching elements (1) which comprise, in this sequence, a first electrode (16), a molecular layer (18) bonded to a substrate, and a second electrode (20), where the molecular layer essentially consists of molecules (M) which contain a connecting group (V) and an end group (E) having a polar or ionic function, is suitable as memristive device for digital information storage.
    Type: Application
    Filed: December 8, 2015
    Publication date: January 4, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Qiong TONG, Andreas RUHL, Marc TORNOW, Achyut BORA
  • Publication number: 20160108317
    Abstract: The present application relates to a device for regulating the passage of energy from an outside space into an inside space, where the device comprises a switching layer comprising one or more dichroic dyes of a formula (I) or formula (II).
    Type: Application
    Filed: April 29, 2014
    Publication date: April 21, 2016
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Alexander HAHN, Andreas RUHL, Susann BECK, Junyou PAN, Michael JUNGE, Andreas BEYER, Ursula PATWAL
  • Publication number: 20140082830
    Abstract: In some examples, a kit comprising a garment to be worn by a user; a fall arrest safety harness integrated into the garment; and a suspension relief strap configured to be coupled to the fall arrest safety harness, and wherein the fall arrest safety harness is integrated into the garment such that, when the garment is worn by the user, the fall arrest safety harness is worn by the user in a manner that arrests a fall by the user when the fall arrest safety harness is anchored.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 27, 2014
    Inventors: Andrea Ruhl, Scott Shultz
  • Patent number: 8008358
    Abstract: The present invention relates to the use of end groups Y, where Y stands for CF3O— or F5S—, as hydrophobic end group in surface-active compounds, corresponding novel compounds, and processes for the preparation of these compounds.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: August 30, 2011
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Klaus-Dieter Franz, Andreas Ruhl
  • Patent number: 7914859
    Abstract: The instant invention relates to mesogenic media comprising one or more compounds which comprise two or more mesogenic groups two of which are linked to the ortho-positions of an aromatic ring, preferably of formula (I) wherein the parameters are as specified in the text, preferably the instant invention relates to mesogenic media showing a blue phase and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices. The instant invention further relates to compounds of formula (I).
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: March 29, 2011
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Gerald Unger, Andreas Ruhl, Michael Heckmeier, Peter Best, John Patrick
  • Patent number: 7604851
    Abstract: Liquid-crystalline compounds of the formula I in which R1, A1, A2, Z1, Z2, X, a, b, L1, L2 and L3 are as defined herein, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: October 20, 2009
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Michael Heckmeier, Peer Kirsch, Joachim Krause, Alexander Hahn, Andreas Ruhl
  • Publication number: 20080149878
    Abstract: The present invention relates to the use of end groups Y, where Y stands for CF3O— or F5S—, as hydrophobic end group in surface-active compounds, corresponding novel compounds, and processes for the preparation of these compounds.
    Type: Application
    Filed: December 22, 2005
    Publication date: June 26, 2008
    Inventors: Peer Kirsch, Klaus-Dieter Franz, Andreas Ruhl
  • Publication number: 20080116419
    Abstract: The instant invention relates to mesogenic media comprising one or more compounds which comprise two or more mesogenic groups two of which are linked to the ortho-positions of an aromatic ring, preferably of formula (I) wherein the parameters are as specified in the text, preferably the instant invention relates to mesogenic media showing a blue phase and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices. The instant invention further relates to compounds of formula (I).
    Type: Application
    Filed: December 22, 2005
    Publication date: May 22, 2008
    Applicant: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Gerald Unger, Andreas Ruhl, Michael Heckmeier, Peter Best, John Patrick
  • Publication number: 20070269614
    Abstract: Liquid-crystalline compounds of the formula I in which R1, A1, A2, Z1, Z2, X, a, b, L1, L2 and L3 are as defined herein, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing a liquid-crystalline medium of this type.
    Type: Application
    Filed: July 23, 2007
    Publication date: November 22, 2007
    Inventors: Michael Heckmeier, Peer Kirsch, Joachim Krause, Alexander Hahn, Andreas Ruhl