Patents by Inventor Isa K. Mbaraka

Isa K. Mbaraka 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 for increasing ethylene and propylene yield from a propylene plant
    Patent number: 10808999
    Abstract: A process for recovery of C2 and C3 components in an on-purpose propylene production system includes utilizing a packed rectifier with a countercurrent stream to strip C2 and C3 components from a combined de-ethanizer overhead lights vapor and cracked gas vapor stream.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: October 20, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Isa K. Mbaraka, William L. Jackson, Jr., Martin A. Cogswell, Mark Siddoway, Brien A. Stears
  • 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
  • Heterogeneous alkane dehydrogenation catalyst
    Patent number: 9776170
    Abstract: A heterogeneous catalyst suitable for use in alkane dehydrogenation has an active layer that includes alumina and gallia. The active layer is dispersed on a support such as alumina or silica-modified alumina.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mark P. Kaminsky, Andrzej Malek, Lin Luo, Brien A. Stears, Isa K. Mbaraka, Devon C. Rosenfeld
  • PROCESS FOR INCREASING ETHYLENE AND PROPYLENE YIELD FROM A PROPYLENE PLANT
    Publication number: 20170248364
    Abstract: The disclosure provides a process for recovery of C2 and C3 components in an on-purpose propylene production system utilizing a packed rectifier with a countercurrent stream to strip C2 and C3 components from a combined de-ethanizer overhead lights vapor and cracked gas vapor stream.
    Type: Application
    Filed: September 22, 2015
    Publication date: August 31, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Isa K. Mbaraka, William L. Jackson, JR., Martin A. Cogswell, Mark Siddoway, Brien A. Stears
  • HETEROGENEOUS ALKANE DEHYDROGENATION CATALYST
    Publication number: 20160288093
    Abstract: A heterogeneous catalyst suitable for use in alkane dehydrogenation has an active layer that includes alumina and gallia. The active layer is dispersed on a support such as alumina or silica-modified alumina.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 6, 2016
    Inventors: Mark P. Kaminsky, Andrzej Malek, Lin Luo, Brien A. Stears, Isa K. Mbaraka, Devon C. Rosenfeld
  • 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