Patents by Inventor Dennis Petrus Maria ROELOFSZEN

Dennis Petrus Maria ROELOFSZEN 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 of alkane oxidative dehydrogenation and/or alkene oxidation
    Patent number: 10526269
    Abstract: The invention relates to a process of the oxidative dehydrogenation of an alkane containing 2 to 6 carbon atoms and/or the oxidation of an alkene containing 2 to 6 carbon atoms, wherein oxygen, water and the alkane and/or alkene are fed to a reactor and are contacted with a mixed metal oxide catalyst containing molybdenum, vanadium, niobium and optionally tellurium in the reactor, and wherein the molar ratio of water as fed to the reactor to oxygen as fed to the reactor is smaller than 1:1.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: January 7, 2020
    Assignee: SHELL OIL COMPANY
    Inventors: Dennis Petrus Maria Roelofszen, Guus Van Rossum, Ronald Jan Schoonebeek, Michael Johannes Franciscus Maria Verhaak
  • PROCESS OF ALKANE OXIDATIVE DEHYDROGENATION AND/OR ALKENE OXIDATION
    Publication number: 20190161427
    Abstract: The invention relates to a process of the oxidative dehydrogenation of an alkane containing 2 to 6 carbon atoms and/or the oxidation of an alkene containing 2 to 6 carbon atoms, wherein oxygen, water and the alkane and/or alkene are fed to a reactor and are contacted with a mixed metal oxide catalyst containing molybdenum, vanadium, niobium and optionally tellurium in the reactor, and wherein the molar ratio of water as fed to the reactor to oxygen as fed to the reactor is smaller than 1:1.
    Type: Application
    Filed: May 18, 2017
    Publication date: May 30, 2019
    Inventors: Dennis Petrus Maria ROELOFSZEN, Guus VAN ROSSUM, Ronald Jan SCHOONEBEEK, Michael Johannes Franciscus Maria VERHAAK