Patents by Inventor Per Fredrik Olmo LARSSON

Per Fredrik Olmo LARSSON 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).

  • Process to prepare higher ethylene amines and ethylene amine derivatives
    Patent number: 10995077
    Abstract: The present invention relates to a process to prepare ethyleneamines of the formula NH2—(C2H4—NH—)pH wherein p is at least 2 wherein one or more units —NH—C2H4—NH— are present as a piperazine unit or precursors thereof wherein optionally one or more units —NH—C2H4—NH— are present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein at least one of the amine-functional compound or the ethanolamine-functional compound contains a piperazine unit, and the reaction is performed in a liquid that comprises water.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: May 4, 2021
    Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
    Inventors: Rolf Krister Edvinsson, Eike Nicolas Kantzer, Per Fredrik Olmo Larsson, Karl Fredrik Lake, Antoon Jacob Berend Ten Kate, Ina Ehlers
  • Process to prepare higher ethylene amines and ethylene amine derivatives
    Patent number: 10844001
    Abstract: The present invention relates to a process to prepare ethylene amines of the formula NH2—(C2H4—NH—)pH wherein p is at least 3 or derivatives thereof wherein one or more units —NH—C2H4—NH— may be present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: November 24, 2020
    Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
    Inventors: Rolf Krister Edvinsson, Eike Nicolas Kantzer, Per Fredrik Olmo Larsson, Karl Fredrik Lake, Antoon Jacob Berend Ten Kate
  • Process to convert cyclic alkylene ureas into their corresponding alkylene amines
    Patent number: 10428010
    Abstract: The present invention relates to a process to convert cyclic alkylene ureas into their corresponding alkylene amines wherein the process is performed by reaction with an amine compound, and wherein the amine compound comprises a primary amine, a cyclic secondary amine or a tertiary bicyclic amine.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: October 1, 2019
    Assignee: Nouryon Chemicals International B.V.
    Inventors: Rolf Krister Edvinsson, Eike Nicolas Kantzer, Per Fredrik Olmo Larsson, Karl Fredrik Lake, Antoon Jacob Berend Ten Kate, Ulf Schröder, Johan Salman Malmberg
  • Process to prepare higher ethylene amines and ethylene amine derivatives
    Patent number: 10428011
    Abstract: The present invention relates to a process to prepare ethyleneamines of the formula NH2—(C2H4—NH—)pH wherein p is at least 3 or derivatives thereof wherein one or more units —NH—C2H4—NH— may be present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: October 1, 2019
    Assignee: Nouryon Chemicals International B.V.
    Inventors: Rolf Krister Edvinsson, Eike Nicolas Kantzer, Per Fredrik Olmo Larsson, Karl Fredrik Lake, Antoon Jacob Berend Ten Kate
  • PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
    Publication number: 20190047971
    Abstract: The present invention relates to a process to prepare ethyleneamines of the formula NH2—(C2H4—NH—)pH wherein p is at least 2 wherein one or more units —NH—C2H4—NH— are present as a piperazine unit or precursors thereof wherein optionally one or more units —NH—C2H4—NH— are present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein at least one of the amine-functional compound or the ethanolamine-functional compound contains a piperazine unit, and the reaction is performed in a liquid that comprises water.
    Type: Application
    Filed: February 10, 2017
    Publication date: February 14, 2019
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Rolf Krister EDVINSSON, Eike Nicolas KANTZER, Per Fredrik Olmo LARSSON, Karl Fredrik LAKE, Antoon Jacob Berend TEN KATE, Ina EHLERS
  • PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
    Publication number: 20190039993
    Abstract: The present invention relates to a process to prepare ethylene amines of the formula NH2—(C2H4—NH—)pH wherein p is at least 3 or derivatives thereof wherein one or more units —NH—C2H4—NH— may be present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.6 to 1.
    Type: Application
    Filed: February 10, 2017
    Publication date: February 7, 2019
    Inventors: Rolf Krister EDVINSSON, Eike Nicolas KANTZER, Per Fredrik Olmo LARSSON, Karl Fredrik LAKE, Antoon Jacob Berend TEN KATE
  • PROCESS TO CONVERT CYCLIC ALKYLENE UREAS INTO THEIR CORRESPONDING ALKYLENE AMINES
    Publication number: 20190039994
    Abstract: The present invention relates to a process to convert cyclic alkylene ureas into their corresponding alkylene amines wherein the process is performed by reaction with an amine compound, and wherein the amine compound comprises a primary amine, a cyclic secondary amine or a tertiary bicyclic amine.
    Type: Application
    Filed: February 10, 2017
    Publication date: February 7, 2019
    Inventors: Rolf Krister EDVINSSON, Eike Nicolas KANTZER, Per Fredrik Olmo LARSSON, Karl Fredrik LAKE, Antoon Jacob Berend TEN KATE, Ulf SCHRÖDER, Johan Salman MALMBERG
  • PROCESS TO PREPARE HIGHER ETHYLENE AMINES AND ETHYLENE AMINE DERIVATIVES
    Publication number: 20190031597
    Abstract: The present invention relates to a process to prepare ethyleneamines of the formula NH2—(C2H4—NH—)pH wherein p is at least 3 or derivatives thereof wherein one or more units —NH—C2H4—NH— may be present as a cyclic ethylene urea unit or between two units —NH—C2H4—NH— a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.
    Type: Application
    Filed: February 10, 2017
    Publication date: January 31, 2019
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Rolf Krister EDVINSSON, Eike Nicolas KANTZER, Per Fredrik Olmo LARSSON, Karl Fredrik LAKE, Antoon Jacob Berend TEN KATE