Patents by Inventor Duncan P. Coffey

Duncan P. Coffey 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).

  • Reactivating propane dehydrogenation catalyst
    Patent number: 10065905
    Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 4, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Matthew Pretz, Lin Luo, Susan Domke, Howard W. Clark, Richard A. Pierce, Andrzej M. Malek, Mark W. Stewart, Brien A. Stears, Albert E. Schweizer, Jr., Guido Capone, Duncan P. Coffey, Isa K. Mbaraka
  • REACTIVATING PROPANE DEHYDROGENATION CATALYST
    Publication number: 20180057422
    Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 1, 2018
    Inventors: Matthew Pretz, Lin Luo, Susan Domke, Howard W. Clark, Richard A. Pierce, Andrzej M. Malek, Mark W. Stewart, Brien A. Stears, Albert E. Schweizer, JR., Guido Capone, Duncan P. Coffey, Isa K. Mbaraka
  • Reactivating propane dehydrogenation catalyst
    Patent number: 9834496
    Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: December 5, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Matthew Pretz, Lin Luo, Susan Domke, Howard W. Clark, Richard A. Pierce, Andrzej M. Malek, Mark W. Stewart, Brien A. Stears, Albert E. Schweizer, Jr., Guido Capone, Duncan P. Coffey, Isa K. Mbaraka
  • REACTIVATING PROPANE DEHYDROGENATION CATALYST
    Publication number: 20140200385
    Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C, conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
    Type: Application
    Filed: July 11, 2012
    Publication date: July 17, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Matthew T. Pretz, LIn Luo, Susan Domke, Howard W. Clark, Richard A. Pierce, Andrzej M. Malek, Mark W. Stewart, Brien A. Stears, Albert E. Schweizer, JR., Guido Capore, Duncan P. Coffey, Isa K. Mbaraka