Patents by Inventor James R. Waldecker

James R. Waldecker 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 reducing bromine index of hydrocarbon feedstocks
    Patent number: 8057664
    Abstract: The present invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having at least 50 wt. % of C8 aromatics, comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein the catalyst includes a molecular sieve having a zeolite structure type of MWW.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: November 15, 2011
    Assignee: ExxonMobil Chemical Patents, Inc.
    Inventors: Stephen H. Brown, James R. Waldecker, Khavinet Lourvanij
  • Process for reducing bromine index of hydrocarbon feedstock
    Patent number: 7815793
    Abstract: The present invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having at least 50 wt. % of C8 aromatics, comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein the catalyst includes a molecular sieve having a zeolite structure type of MWW.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: October 19, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Stephen H. Brown, James R. Waldecker, Khavinet Lourvanij
  • Process for reducing Bromine Index of hydrocarbon feedstocks
    Patent number: 7744750
    Abstract: This invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having less than 5 wppm oxygenates-oxygen, comprising the step of contacting the feedstock with a catalyst at conversion conditions to form a first effluent, wherein the catalyst includes a molecular sieve having a zeolite structure type of MWW.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: June 29, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Stephen H. Brown, James R. Waldecker, Khavinet Lourvanij
  • Process for Reducing Bromine Index of Hydrocarbon Feedstock
    Publication number: 20100032346
    Abstract: The present invention relates to a process for reducing the Bromine Index of a hydrocarbon feedstock having at least 50 wt. % of C8 aromatics, comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein the catalyst includes a molecular sieve having a zeolite structure type of MWW.
    Type: Application
    Filed: October 15, 2009
    Publication date: February 11, 2010
    Inventors: Stephen H. Brown, James R. Waldecker, Khavinet Lourvanij