Patents by Inventor Kerman Dukandar

Kerman Dukandar 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).

  • Production of propylene from butane
    Patent number: 8258357
    Abstract: This invention relates to an integrated process for the efficient production of olefins from C4 feedstocks comprising butane and more particularly to a method of producing propylene and butadiene. The process combines a dehydrogenation unit with an olefin conversion unit to convert butane feedstock to propylene and butadiene products. The combined catadiene-OCT process produces yields of propylene from normal butane in excess of 70%.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: September 4, 2012
    Assignee: Lummus Technology Inc.
    Inventors: Kerman Dukandar, David Spence, Sunil Panditrao
  • PRODUCTION OF PROPYLENE FROM BUTANE
    Publication number: 20100249471
    Abstract: This invention relates to an integrated process for the efficient production of olefins from C4 feedstocks comprising butane and more particularly to a method of producing propylene and butadiene. The process combines a dehydrogenation unit with an olefin conversion unit to convert butane feedstock to propylene and butadiene products. The combined catadiene-OCT process produces yields of propylene from normal butane in excess of 70%.
    Type: Application
    Filed: March 25, 2009
    Publication date: September 30, 2010
    Inventors: Kerman Dukandar, David Spence, Sunil Panditrao
  • Process for production of ethylbenzene from dilute ethylene streams
    Publication number: 20070255080
    Abstract: An improvement in a process for the production of ethylbenzene from a dilute ethylene stream wherein an ethylene-containing stream derived from a cracking process is directed to an ethylene fractionator for separation of ethylene and ethane. The improvement includes providing the dilute ethylene stream by liquefying and separating out a portion of the ethylene-containing stream prior to directing the remainder of the ethylene-containing stream to the ethylene fractionator and/or by drawing off a side stream from the ethylene fractionator; and, directing the dilute ethylene stream as a feed to an alkylator for alkylation with benzene to produce ethylbenzene.
    Type: Application
    Filed: July 6, 2007
    Publication date: November 1, 2007
    Applicant: ABB Lummus Global Inc.
    Inventors: James Hildreth, Kerman Dukandar, Ronald Venner
  • Process for production of ethylbenzene from dilute ethylene streams
    Publication number: 20050054888
    Abstract: An improvement in a process for the production of ethylbenzene from a dilute ethylene stream wherein an ethylene-containing stream derived from a cracking process is directed to an ethylene fractionator for separation of ethylene and ethane. The improvement includes providing the dilute ethylene stream by liquefying and separating out a portion of the ethylene-containing stream prior to directing the remainder of the ethylene-containing stream to the ethylene fractionator and/or by drawing off a side stream from the ethylene fractionator; and, directing the dilute ethylene stream as a feed to an alkylator for alkylation with benzene to produce ethylbenzene.
    Type: Application
    Filed: September 8, 2003
    Publication date: March 10, 2005
    Inventors: James Hildreth, Kerman Dukandar, Ronald Venner