Patents by Inventor Hans-Wolfram LERNER

Hans-Wolfram LERNER 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).

  • POLYCYCLIC SILICON-GERMANIUM COMPOUNDS, PROCESSES FOR THEIR PREPARATION AND THEIR USE FOR PREPARING A SI- AND GE-CONTAINING SOLID
    Publication number: 20240025926
    Abstract: The present invention relates to a compound of formula (I) wherein E1 to E6 are independently Si or Ge; X1 to X4 are independently selected from the group consisting of H, SiH3, halogen and Si(Y)3; Y is independently selected from C1 to C20 alkyl and halogen; R1 to R12 are independently selected from the group consisting of C1 to C20 alkyl, C2 to C20 alkenyl, C2 to C20 alkynyl, C3 to C20 cycloalkyl, C6 to C20 aryl, C7 to C20 arylalkyl, C7 to C20 alkylaryl and Z; and Z is independently selected from the group consisting of H, halogen and C1 to C20 alkyl; a process for their preparation; and the use of the compound for preparing the Si- and Ge-containing solid.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 25, 2024
    Applicant: Johann Wolfgang Goethe-Universität
    Inventors: Matthias WAGNER, Benedikt KÖSTLER, Hans-Wolfram LERNER
  • Tris(trichlorosily1)dichlorogallylgermane, process for the preparation thereof and use thereof
    Patent number: 11851342
    Abstract: A process can be used for the preparation of tris(trichlorosilyl)dichlorogallylgermane, which is a chlorinated, uncharged substance.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: December 26, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Matthias Wagner, Julian Teichmann, Hans-Wolfram Lerner
  • Tetrakis(trichlorosilyl)germane, process for the preparation thereof and use thereof
    Patent number: 11814300
    Abstract: A novel process provides for the preparation of the chlorinated, uncharged substance tetrakis(trichlorosilyl)germane, and for the use thereof.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: November 14, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Matthias Wagner, Julian Teichmann, Hans-Wolfram Lerner
  • Halogermanides and methods for the preparation thereof
    Patent number: 11795184
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: October 24, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • SILYLATED OLIGOGERMANES AND POLYCYCLIC SILICON-GERMANIUM COMPOUNDS, PROCESSES FOR THEIR PREPARATION AND THEIR USE FOR THE PREPARATION OF A SI- AND GE-CONTAINING SOLID
    Publication number: 20230219982
    Abstract: The present invention relates to a compound of the formula (Ia) or the formula (Ib) a process for their preparation; and the use of the compound for the preparation of the Si- and Ge-containing solid.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 13, 2023
    Inventors: Matthias WAGNER, Benedikt KÖSTLER, Hans-Wolfram LERNER
  • Halogermanides and methods for the preparation thereof
    Patent number: 11691996
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4p][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P[]Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: July 4, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • HALOGERMANIDES AND METHODS FOR THE PREPARATION THEREOF
    Publication number: 20230094269
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Application
    Filed: September 20, 2022
    Publication date: March 30, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • NOVEL HALOGERMANIDES AND METHODS FOR THE PREPARATION THEREOF
    Publication number: 20230048977
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Application
    Filed: September 20, 2022
    Publication date: February 16, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • Halogermanides and methods for the preparation thereof
    Patent number: 11555045
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: January 17, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • Tetrakis(trichlorosilyl)germane, process for the preparation thereof and use thereof
    Publication number: 20220048777
    Abstract: A novel process provides for the preparation of the chlorinated, uncharged substance tetrakis(trichlorosilyl)germane, and for the use thereof.
    Type: Application
    Filed: November 7, 2019
    Publication date: February 17, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Matthias Wagner, Julian Teichmann, Hans- Wolfram Lerner
  • Tris(trichlorosilyl)dichlorogallylgermane, process for the preparation thereof and use thereof
    Publication number: 20220017380
    Abstract: A process can be used for the preparation of tris(trichlorosilyl)dichlorogallylgermane, which is a chlorinated, uncharged substance.
    Type: Application
    Filed: November 7, 2019
    Publication date: January 20, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Matthias Wagner, Julian Teichmann, Hans-Wolfram Lerner
  • NOVEL PERCHLORINATED DISILENES AND GERMASILENES AND ALSO NEOPENTATETRELANES, A METHOD FOR THE PREPARATION THEREOF AND USE THEREOF
    Publication number: 20220002324
    Abstract: The invention provides disilenes, germasilenes and neopentatetrelanes, a method for the preparation thereof and use thereof.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Matthias WAGNER, Chantal Isabell KUNKEL, Hans-Wolfram Lerner
  • NOVEL HALOGERMANIDES AND METHODS FOR THE PREPARATION THEREOF
    Publication number: 20210253609
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Application
    Filed: May 5, 2021
    Publication date: August 19, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Julian TEICHMANN, Matthias Wagner, Hans-Wolfram Lerner
  • Halogermanides and methods for the preparation thereof
    Patent number: 11053263
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[RrP][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 6, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • Method for producing perhalogenated hexasilane anion and method for producing a cyclic silane compound
    Patent number: 10858260
    Abstract: The present invention relates to a process for the production of perhalogenated hexasilane anion by reacting halogenated monosilane in the presence of organosubstituted ammonium and/or phosphonium halide at temperatures in a range from 100 to 120° C., wherein no solvent is used, and a process for the production of a cyclic silane compound of the formula Si6R12, by reacting [X]2[Si6Cl14] with AlR3 in at least one organic solvent, wherein R is chlorine or methyl and X, the same or different, is a counter-cation and is preferably selected from organosubstituted ammonium, organosubstituted phosphonium, alkali metal ions and [(PEDETA)(H2SiCl)]+.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: December 8, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Matthias Wagner, Hans-Wolfram Lerner, Jan Tillmann, Maximilian Moxter
  • Triphenylgermylsilane and trichlorosilyl-trichlorogermane for the production of germanium-silicon layers, and method for the production thereof from trichlorosilyl-triphenylgermane
    Patent number: 10730754
    Abstract: Triphenylgermylsilane (Ph3Ge—SiH3) is useful for the production of germanium-silicon layers (Ge—Si) or as transfer agent of silane groups (SiH3). Further, a method describes the production of triphenylgermylsilane (Ph3Ge—SiH3) by reducing trichlorosilyl-triphenylgermane (Ph3Ge—SiCl3) with a hydride in solution, and another method describes the production of trichlorosilytrichlorogermane (Cl3Ge—SiCl3) by reacting trichlorosilyltriphenyigermane (Ph3Ge—SiCl3) with hydrogen chloride (HCl) in the presence of AlCl3 in solution. In addition, trichlorosilyltrichlorogermane is also used for the production of germanium-silicon layers (Ge—Si).
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 4, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • TRIPHENYLGERMYLSILANE AND TRICHLOROSILYL-TRICHLOROGERMANE FOR THE PRODUCTION OF GERMANIUM-SILICON LAYERS, AND METHOD FOR THE PRODUCTION THEREOF FROM TRICHLOROSILYL-TRIPHENYLGERMANE
    Publication number: 20200180966
    Abstract: Triphenylgermylsilane (Ph3Ge—SiH3) is useful for the production of germanium-silicon layers (Ge—Si) or as transfer agent of silane groups (SiH3). Further, a method describes the production of triphenylgermylsilane (Ph3Ge—SiH3) by reducing trichlorosilyltriphenylgermane (Ph3Ge—SiCl3) with a hydride in solution, and another method describes the production of trichlorosilyltrichlorogermane (C3Ge—SiCl3) by reacting trichlorosilyltriphenylgermane (Ph3Ge—SiCl3) with hydrogen chloride (HCl) in the presence of AlCl3 in solution. In addition, trichlorosilyltrichlorogermane is also used for the production of germanium-silicon layers (Ge—Si).
    Type: Application
    Filed: May 23, 2018
    Publication date: June 11, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • NOVEL HALOGERMANIDES AND METHODS FOR THE PREPARATION THEREOF
    Publication number: 20200165278
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[RrP][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Applicant: Evonik Degussa GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • Halogermanides and methods for the preparation thereof
    Patent number: 10618921
    Abstract: A trichlorogermanide of formula (I): [R4N]/[R4P]Cl[GeCl3] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R4N]/[R4P][Ge(SiCl3)3] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl3 of formula (III): [Ph4P][Ge(SiCl3)3*GaCl3], and a tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV): [Ph4P][Ge(SiCl3)3*BBr3]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr3 of formula (IV).
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: April 14, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner
  • Chlorosilylarylgermanes, method for preparation thereof and use thereof
    Patent number: 10414783
    Abstract: A novel compound chlorosilylarylgermane, a method for preparing the compound, and the use of the compound are described. A method for preparing trichlorosilyltrichlorogermane and the use of trichlorosilyltrichlorogermane are also described.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 17, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Julian Teichmann, Matthias Wagner, Hans-Wolfram Lerner