Patents by Inventor Heiko Tebbe

Heiko Tebbe 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: 11390711
    Abstract: The present invention relates to preparations having improved efficacy as flame retardants, to the use thereof and to polyurethanes containing the preparations according to the invention.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: July 19, 2022
    Assignee: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Patent number: 11193004
    Abstract: The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: December 7, 2021
    Assignee: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Publication number: 20200165382
    Abstract: The present invention relates to preparations having improved efficacy as flame retardants, to the use thereof and to polyurethanes containing the preparations according to the invention.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 28, 2020
    Applicant: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Publication number: 20190071556
    Abstract: The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.
    Type: Application
    Filed: November 1, 2018
    Publication date: March 7, 2019
    Applicant: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd HANSEL, Heiko TEBBE
  • Publication number: 20180291156
    Abstract: A mixture of poly(alkylene phosphates) having reduced hygroscopicity, includes at least three poly(alkylene phosphates) of the formula wherein R1, R2, R3 and R4, mutually independently, are an n-butyl moiety or a 2-methylpropyl moiety, and is usable for flame retardants, such as a flame retardant in polyurethanes.
    Type: Application
    Filed: April 5, 2018
    Publication date: October 11, 2018
    Applicant: LANXESS Deutschland GmbH
    Inventors: Heiko TEBBE, Jan-Gerd HANSEL
  • Patent number: 9969845
    Abstract: Flame retardant compositions for polyurethanes may include hydroxyl-containing poly(alkylene phosphates) that have 5 mol % or less of phosphorus from phosphorus-containing compounds having a 31P NMR resonance signal at a chemical shift in the range from 13 ppm to 18 ppm relative to 85 wt % phosphoric acid.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: May 15, 2018
    Assignee: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe, Michael Wittpahl
  • Patent number: 9920081
    Abstract: The present invention relates to halogen-free oligomer mixtures of poly(alkylene phosphates), production of these and use as flame retardants, and also to flame-retardant polyurethanes comprising halogen-free oligomer mixtures as flame retardants.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: March 20, 2018
    Assignee: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Patent number: 9850358
    Abstract: Low-scorch flame-retardant polyurethane foams include phosphorus-containing propionic ester flame retardants. Methods for producing and using the foams are also provided.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: December 26, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Heiko Tebbe, Jan-Gerd Hansel
  • Publication number: 20160257704
    Abstract: Flame retardant cellulose ester preparations include phosphorus-containing propionic acid derivatives as flame-retardant plasticizers.
    Type: Application
    Filed: March 1, 2016
    Publication date: September 8, 2016
    Inventors: Heiko TEBBE, Jan-Gerd HANSEL, Otto MAUERER
  • Publication number: 20160215101
    Abstract: Flame retardant compositions for polyurethanes may include hydroxyl-containing poly(alkylene phosphates) that have 5 mol % or less of phosphorus from phosphorus-containing compounds having a 31P NMR resonance signal at a chemical shift in the range from 13 ppm to 18 ppm relative to 85 wt % phosphoric acid.
    Type: Application
    Filed: January 6, 2016
    Publication date: July 28, 2016
    Inventors: Jan-Gerd HANSEL, Heiko TEBBE, Michael WITTPAHL
  • Publication number: 20160046778
    Abstract: Low-scorch flame-retardant polyurethane foams include phosphorus-containing propionic ester flame retardants.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 18, 2016
    Inventors: Heiko TEBBE, Jan-Gerd HANSEL
  • Publication number: 20150080276
    Abstract: The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 19, 2015
    Inventors: Jan-Gerd HANSEL, Heiko TEBBE
  • Publication number: 20140024734
    Abstract: The present invention relates to halogen-free oligomer mixtures of poly(alkylene phosphates), production of these and use as flame retardants, and also to flame-retardant polyurethanes comprising halogen-free oligomer mixtures as flame retardants.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 23, 2014
    Inventors: Jan-Gerd HANSEL, Heiko TEBBE
  • Patent number: 8475934
    Abstract: The present invention relates to timber materials rendered flame-retardant by using halogen-free organophosphorus compounds, to means and processes for producing these materials, and also to their use.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: July 2, 2013
    Assignee: LANXESS Deutschland GmbH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Patent number: 8188187
    Abstract: The present invention relates to a composition comprising thermoplastic materials and crosslinked microgels which are not crosslinked by high-energy radiation, processes for its preparation, its use for the production of thermoplastically processable shaped articles and shaped articles produced from the composition.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: May 29, 2012
    Assignees: LANXESS Deutschland GmbH, Rhein Chemie Rheinau GmbH
    Inventors: Ludger Heiliger, Thomas Früh, Volker Müller, Heiko Tebbe, Werner Obrecht, Robert Hans Schuster, Martin Müller
  • Publication number: 20120058358
    Abstract: The present invention relates to timber materials rendered flame-retardant by using halogen-free organophosphorus compounds, to means and processes for producing these materials, and also to their use.
    Type: Application
    Filed: August 26, 2011
    Publication date: March 8, 2012
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Publication number: 20100041780
    Abstract: The present invention relates to halogen-free flame-retardant polyurethane foams with low scorch level which comprise, as flame retardant, a mixture composed of at least one polyaryl phosphate and of at least one monoaryl phosphate, and also to a method for the production of these foams, and to their use.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 18, 2010
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: ANNE FRIEDRICH, JAN-GERD HANSEL, HEIKO TEBBE
  • Publication number: 20080275152
    Abstract: The present invention relates to flame-retardant polyurethane foams which comprise, as flame retardant, halogen-free bisphosphonates free from hydroxy groups.
    Type: Application
    Filed: February 28, 2008
    Publication date: November 6, 2008
    Inventors: Jan-Gerd Hansel, Heiko Tebbe
  • Publication number: 20080249241
    Abstract: The present invention relates to a composition comprising thermoplastic materials and crosslinked microgels which are not crosslinked by high-energy radiation, processes for its preparation, its use for the production of thermoplastically processable shaped articles and shaped articles produced from the composition.
    Type: Application
    Filed: September 23, 2004
    Publication date: October 9, 2008
    Inventors: Ludger Heiliger, Thomas Fruh, Volker Muller, Heiko Tebbe, Werner Obrecht, Robert Hans Schuster, Martin Muller
  • Publication number: 20080108755
    Abstract: The present invention relates to a composition containing thermoplastic materials and crosslinked microgels that have not been crosslinked by high-energy radiation, to a process for its preparation, to its use in the production of thermoplastically processable molded articles, and to molded articles produced from the composition.
    Type: Application
    Filed: December 20, 2007
    Publication date: May 8, 2008
    Inventors: Ludger Heiliger, Thomas Fruh, Volker Muller, Heiko Tebbe, Werner Obrecht, Robert Schuster, Martin Muller