Patents by Inventor Harald Seiler

Harald Seiler 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).

  • Processing of chlorosilane flows containing boron
    Patent number: 8246925
    Abstract: The invention relates to a method for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron by means of separation by distillation of a boron-enriched distillation flow. The invention further relate to a device for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: August 21, 2012
    Assignee: Evonik Degussa GmbH
    Inventors: Christoph Schwarz, Dorothea Schwarz, Hartwig Rauleder, Ingo Pauli, Andreas Nelte, Harald Seiler
  • PROCESSING OF CHLOROSILANE FLOWS CONTAINING BORON
    Publication number: 20100320072
    Abstract: The invention relates to a method for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron by means of separation by distillation of a boron-enriched distillation flow. The invention further relate to a device for yielding boron-depleted chlorosilanes from a chlorosilane mixture containing boron.
    Type: Application
    Filed: January 22, 2008
    Publication date: December 23, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Christoph Schwarz, Dorothea Schwarz, Hartwig Rauleder, Ingo Pauli, Andreas Nelte, Harald Seiler
  • Process for the separation of chlorosilanes from gas streams
    Patent number: 7204963
    Abstract: Chlorosilanes are continuously removed from a gas stream in an apparatus in which the gas stream is treated in a first stage with water vapor in the gas phase, and in a second stage with a liquid, aqueous phase.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: April 17, 2007
    Assignee: Degussa AG
    Inventors: Hartwig Rauleder, Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann
  • Process for the separation of chlorosilanes from gas streams
    Publication number: 20040109806
    Abstract: Chlorosilanes are continuously removed from a gas stream in an apparatus in which the gas stream is treated in a first stage with water vapor in the gas phase, and in a second stage with a liquid, aqueous phase.
    Type: Application
    Filed: November 19, 2003
    Publication date: June 10, 2004
    Applicant: DEGUSSA AG
    Inventors: Hartwig Rauleder, Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann
  • Process for the separation of chlorosilanes from gas streams
    Patent number: 6680038
    Abstract: Chlorosilanes are continuously removed from a gas stream in an apparatus in which the gas stream is treated in a first stage with water vapor in the gas phase, and in a second stage with a liquid, aqueous phase.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: January 20, 2004
    Assignee: Degussa AG
    Inventors: Hartwig Rauleder, Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann
  • Process for the separation of chlorosilanes from gas streams
    Publication number: 20010046465
    Abstract: Chlorosilanes are continuously removed from a gas stream in an apparatus in which the gas stream is treated in a first stage with water vapor in the gas phase, and in a second stage with a liquid, aqueous phase.
    Type: Application
    Filed: December 28, 2000
    Publication date: November 29, 2001
    Inventors: Hartwig Rauleder, Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann