Patents by Inventor Henri PREISING

Henri PREISING 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 for preparing alkanediol and dialkyl carbonate
    Patent number: 11111205
    Abstract: The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising reacting an alkylene carbonate and an alkanol in the presence of a catalyst, wherein the catalyst is aluminum phosphate.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: September 7, 2021
    Assignee: SHELL OIL COMPANY
    Inventors: Henri Preising, Frederik Hendrik Van Der Steen, Garo Garbis Vaporciyan, Wolfgang Dirk Lose, Silke Eva Sabine Leonhardt
  • PROCESS FOR PREPARING ALKANEDIOL AND DIALKYL CARBONATE
    Publication number: 20200172466
    Abstract: The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising reacting an alkylene carbonate and an alkanol in the presence of a catalyst, wherein the catalyst is aluminum phosphate.
    Type: Application
    Filed: July 16, 2018
    Publication date: June 4, 2020
    Inventors: Henri PREISING, Frederik Hendrik VAN DER STEEN, Garo Garbis VAPORCIYAN, Wolfgang Dirk LOSE, Silke Eva Sabine LEONHARDT
  • Catalyst system and process for the production of glycols
    Patent number: 10478809
    Abstract: The invention provides a catalyst system comprising: a) one or more Group 1 metal phosphotungstate-containing species; and b) one or more catalytic species suitable for hydrogenation; and a process for the preparation of monoethylene glycol from starting material comprising one or more saccharides, by contacting said starting material with hydrogen in a reactor in the presence of a solvent and said catalyst system.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 19, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Reinhard Geyer, Henri Preising, Dionysius Jacobus Maria De Vlieger, Smita Edulji, Evert Van Der Heide, Jean Paul Andre Marie Joseph Ghislain Lange
  • CATALYST SYSTEM AND PROCESS FOR THE PRODUCTION OF GLYCOLS
    Publication number: 20180345256
    Abstract: The invention provides a catalyst system comprising: a) one or more Group 1 metal phosphotungstate-containing species; and b) one or more catalytic species suitable for hydrogenation; and a process for the preparation of monoethylene glycol from starting material comprising one or more saccharides, by contacting said starting material with hydrogen in a reactor in the presence of a solvent and said catalyst system.
    Type: Application
    Filed: November 17, 2016
    Publication date: December 6, 2018
    Inventors: Reinhard GEYER, Henri PREISING, Dionysius Jacobus Maria DE VLIEGER, Smita EDULJI, Evert VAN DER HEIDE, Jean Paul Andre Marie Joseph Ghislain LANGE