Patents by Inventor Norbert Ringer

Norbert Ringer 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).

  • Patent number: 7799730
    Abstract: The invention relates to a cylindrical catalyst body 1 which is characterized in that indentations are provided on the circumferential surface 3 of the catalyst body 1. These indentations are preferably configured as grooves 4 and webs 5 which run parallel to the longitudinal axis 2 of the catalyst body 1.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: September 21, 2010
    Assignee: Sud-Chemie AG
    Inventors: Norbert Ringer, Gerhard Selig, Hans-Joachim Müller
  • Publication number: 20080277315
    Abstract: The invention relates to a cylindrical catalyst body 1 which is characterized in that indentations are provided on the circumferential surface 3 of the catalyst body 1. These indentations are preferably configured as grooves 4 and webs 5 which run parallel to the longitudinal axis 2 of the catalyst body 1.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 13, 2008
    Applicant: SUD-CHEMIE AG
    Inventors: Norbert Ringer, Gerhard Selig, Hans-Joachim Muller