Patents by Inventor David GROSSE-HAGENBROCK

David GROSSE-HAGENBROCK 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: 9540401
    Abstract: The invention relates to a method for the cost-effective and environmentally friendly production of dialkyl indium chloride in high yield and with high selectivity and purity. The dialkyl indium chloride produced according to the invention is particularly suitable, also as a result of the high purity and yield, for the production, on demand, of indium-containing precursors in high yield and with high selectivity and purity. As a result of the high purity, the indium-containing precursors that can be produced are particularly suitable for metal organic chemical vapor deposition (MOCVD) or metal organic vapor phase epitaxy (MOVPE). The novel method according to the invention is characterized by the improved execution of the method, in particular a rapid process control. Owing to targeted and extensive use of raw materials that are cost-effective and have a low environmental impact, the method is also suitable for use on an industrial scale.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: January 10, 2017
    Assignee: UMICORE AG & CO. KG
    Inventors: Joerg Sundermeyer, Annika Frey, Wolf Schorn, David Grosse-Hagenbrock, Ralf Karch, Andreas Rivas-Nass, Eileen Woerner, Angelino Doppiu
  • Publication number: 20160207941
    Abstract: The invention relates to a method for the cost-effective and environmentally friendly production of dialkyl indium chloride in high yield and with high selectivity and purity. The dialkyl indium chloride produced according to the invention is particularly suitable, also as a result of the high purity and yield, for the production, on demand, of indium-containing precursors in high yield and with high selectivity and purity. As a result of the high purity, the indium-containing precursors that can be produced are particularly suitable for metal organic chemical vapour deposition (MOCVD) or metal organic vapour phase epitaxy (MOVPE). The novel method according to the invention is characterised by the improved execution of the method, in particular a rapid process control. Owing to targeted and extensive use of raw materials that are cost-effective and have a low environmental impact, the method is also suitable for use on an industrial scale.
    Type: Application
    Filed: August 18, 2014
    Publication date: July 21, 2016
    Applicant: UMICORE AG & CO. KG
    Inventors: Joerg SUNDERMEYER, Annika FREY, Wolf SCHORN, David GROSSE-HAGENBROCK, Ralf KARCH, Andreas RIVAS-NASS, Eileen WOERNER, Angelino DOPPIU