Patents by Inventor Varadee Vittur

Varadee Vittur 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).

  • Deactivation of a process by-product
    Patent number: 9505675
    Abstract: Processes of forming oligomers are described herein. The processes generally include contacting an olefin and a catalyst system to form an oligomerization product at oligomerization conditions, wherein a reaction system effluent includes components selected from the oligomerization product, a chromium containing compound, or combinations thereof; and contacting the chromium containing compound with a beta-diketone at conditions capable of changing an oxidation state of chromium.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: November 29, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Orson L Sydora, Bruce E Kreischer, Donald A Stern, Varadee Vittur
  • Deactivation of a Process By-Product
    Publication number: 20160229766
    Abstract: Processes of forming oligomers are described herein. The processes generally include contacting an olefin and a catalyst system to form an oligomerization product at oligomerization conditions, wherein a reaction system effluent includes components selected from the oligomerization product, a chromium containing compound and combinations thereof; and contacting the chromium containing compound with a beta-diketone at conditions capable of changing an oxidation state of chromium.
    Type: Application
    Filed: February 9, 2015
    Publication date: August 11, 2016
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Orson L. Sydora, Bruce E. Kreischer, Donald A. Stern, Varadee Vittur