Patents by Inventor Maria A. Snel

Maria A. Snel 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 removing organic halogen-containing compounds
    Patent number: 6909022
    Abstract: The present invention relates to a process of removing organic halogen-containing compounds from a liquid stream mainly containing one or more of the compounds selected from the group consisting of glycol, water and alcohol, which process involves contacting the stream with an ion-exchange material containing basic anions selected from the group of hydroxide, carbonate and bicarbonate.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: June 21, 2005
    Assignee: Shell Oil Company
    Inventors: Feike De Jong, Johannes Jacobus Maria Snel
  • Process of removing organic halogen-containing compounds
    Publication number: 20040267060
    Abstract: The present invention relates to a process of removing organic halogen-containing compounds from a liquid stream mainly containing one or more of the compounds selected from the group consisting of glycol, water and alcohol, which process involves contacting the stream with an ion-exchange material containing basic anions selected from the group of hydroxide, carbonate and bicarbonate.
    Type: Application
    Filed: May 14, 2004
    Publication date: December 30, 2004
    Inventors: Feike De Jong, Johannes Jacobus Maria Snel
  • Polymerization process
    Patent number: 4948870
    Abstract: Linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are produced in the presence of novel catalyst compositions formed from a palladium salt, the anion of a non-hydrohalogenic acid having a pKa less than 2 and a bidentate ligand having one atom of phosphorous and one atom of sulfur or selenium.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: August 14, 1990
    Assignee: Shell Oil Company
    Inventors: Johannes Van Doorn, Arris H. Kramer, Johannes J. Maria Snel
  • Wheelchair transfer
    Patent number: 4592562
    Abstract: A transfer device for transferring a patient from a wheelchair to a motor vehicle seat, which comprises a pair of interlocking trays, one on a frame of the wheelchair and one on the motor vehicle seat, the trays having aligned tracks which are engaged by the wheelchair seat, which upon being released from the wheelchair frame, is movable from the wheelchair frame onto the tray on the motor vehicle seat.
    Type: Grant
    Filed: August 2, 1983
    Date of Patent: June 3, 1986
    Assignee: Friends of the Disabled Assn., Inc.
    Inventors: Maris Strautnieks, Maria A. Snel