Patents by Inventor Martin Stefan Hanson

Martin Stefan Hanson 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).

  • Publication number: 20150057467
    Abstract: Process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, including a step wherein methylamine and ethylamine are removed from the reaction effluents, wherein the methylamine and the ethylamine are adsorbed onto or absorbed by absorbents and adsorbents (absorption/adsorption) and wherein the absorption/adsorption takes place in the liquid phase or in the gas phase.
    Type: Application
    Filed: October 30, 2014
    Publication date: February 26, 2015
    Applicant: AKZO NOBEL N.V.
    Inventors: Martin Stefan HANSON, Leif Kenny Christian GUSTAFSON, Johan LIF, Boris KUZMANOVIC, Ulf SCHRÖDER
  • Publication number: 20140179953
    Abstract: The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents.
    Type: Application
    Filed: September 27, 2013
    Publication date: June 26, 2014
    Applicant: Akzo Nobel N.V.
    Inventors: Martin Stefan HANSON, Leif Kenny Christian GUSTAFSON, Johan LIF, Boris KUZMANOVIC, Ulf SCHRÖDER
  • Patent number: 8563778
    Abstract: The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: October 22, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Martin Stefan Hanson, Leif Kenny Christian Gustafson, Johan Lif, Boris Kuzmanovic, Ulf Schröder
  • Publication number: 20110015439
    Abstract: The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents.
    Type: Application
    Filed: December 29, 2008
    Publication date: January 20, 2011
    Applicant: AKZO NOBLE N.V.
    Inventors: Martin Stefan Hanson, Leif Kenny Christian Gustafson, Johan Lif, Boris Kuzmanovic, Ulf Schröder