Patents by Inventor Julia Elizabeth Steinheider

Julia Elizabeth Steinheider 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).

  • Patent number: 8822363
    Abstract: This disclosure relates to a process for regenerating a catalyst composition, wherein the catalyst composition comprising a molecular sieve and at least 10 wt. % coke having a C/H molar ratio in the range of 0.26 to 5, the process comprising (a) contacting the catalyst composition with a first oxidative medium having oxygen and water at first conditions sufficient to form a first regenerated catalyst composition having at least 50 wt.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: September 2, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Doron Levin, James Harding Beech, Jr., Selma SheungNam Lawrence, Julia Elizabeth Steinheider
  • Publication number: 20100298117
    Abstract: This disclosure relates to a process for regenerating a catalyst composition, wherein the catalyst composition comprising a molecular sieve and at least 10 wt. % coke having a C/H ratio in the range of 0.26 to 5, the process comprising (a) contacting the catalyst composition with a first oxidative medium having oxygen and water at first conditions sufficient to form a first regenerated catalyst composition having at least 50 wt. % less coke than the catalyst composition; and then (b) contacting at least a portion of the first regenerated catalyst composition with a second oxidative medium having oxygen, and optionally water, at second conditions sufficient to form a second regenerated catalyst composition having at least 50 wt % less coke than the first regenerated catalyst composition, wherein the catalyst composition in step (a) and the first regenerated catalyst in step (b) have contacted total amount of water in the range of 1 to 50 weight water per weight of the second regenerated catalyst composition.
    Type: Application
    Filed: November 4, 2008
    Publication date: November 25, 2010
    Inventors: Doron Levin, James Harding Beech, JR., Selma SheungNam Kwok, Julia Elizabeth Steinheider