Patents by Inventor Ben Freireich

Ben Freireich 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 and apparatus for minimizing attrition of catalyst particles
    Patent number: 9687765
    Abstract: An improved process and an improved apparatus for minimizing attrition of catalyst particles, especially propane dehydrogenation catalyst particles, entrained in a combined flow of such particles and an entraining gas in a catalyst recovery means during separation of such particles from the entraining gas, by use of a pre-treatment step in which the combined flow is at a rate between 7.6 and 15.2 meters per second are provided.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: June 27, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Matthew Pretz, Mark W. Stewart, Don F. Shaw, Brien A. Stears, Madhusudhan M. Kodam, Ben Freireich
  • Process and Apparatus for Minimizing Attrition of Catalyst Particles
    Publication number: 20150298037
    Abstract: An improved process and an improved apparatus for minimizing attrition of catalyst particles, especially propane dehydrogenation catalyst particles, entrained in a combined flow of such particles and an entraining gas in a catalyst recovery means during separation of such particles from the entraining gas, by use of a pre-treatment step in which the combined flow is at a rate between 7.6 and 15.2 meters per second are provided.
    Type: Application
    Filed: October 14, 2013
    Publication date: October 22, 2015
    Inventors: Matthew Pretz, Mark W. Stewart, Don F. Shaw, Brien A. Stears, Madhusudhan M. Kodam, Ben Freireich