Patents by Inventor Claire Ennis

Claire Ennis 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 to produce ethylene and vinyl acetate monomer and derivatives thereof
    Patent number: 11891357
    Abstract: A method that includes (a) providing a stream containing ethane and oxygen to an ODH reactor; (b) converting a portion of the ethane to ethylene and acetic acid in the ODH reactor to provide a stream containing ethane, ethylene, acetic acid, oxygen and carbon monoxide; (c) separating a portion of the acetic acid from the stream to provide an acetic acid stream and a stream containing ethane, ethylene, oxygen and carbon monoxide; (d) providing the stream to a CO Oxidation Reactor containing a catalyst that includes a group 11 metal to convert carbon monoxide to carbon dioxide and reacting acetylene to produce a stream containing ethane, ethylene and carbon dioxide; and (e) providing a portion of the stream and a portion of the acetic acid stream to a third reactor containing a catalyst that includes a metal selected from group 10 and group 11 metals to produce vinyl acetate.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: February 6, 2024
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: David Gent, Shahin Goodarznia, Vasily Simanzhenkov, Kamal Serhal, Claire Ennis, Robert Ladd
  • PROCESS TO PRODUCE ETHYLENE AND VINYL ACETATE MONOMER AND DERIVATIVES THEREOF
    Publication number: 20210040018
    Abstract: A method that includes (a) providing a stream containing ethane and oxygen to an ODH reactor; (b) converting a portion of the ethane to ethylene and acetic acid in the ODH reactor to provide a stream containing ethane, ethylene, acetic acid, oxygen and carbon monoxide; (c) separating a portion of the acetic acid from the stream to provide an acetic acid stream and a stream containing ethane, ethylene, oxygen and carbon monoxide; (d) providing the stream to a CO Oxidation Reactor containing a catalyst that includes a group 11 metal to convert carbon monoxide to carbon dioxide and reacting acetylene to produce a stream containing ethane, ethylene and carbon dioxide; and (e) providing a portion of the stream and a portion of the acetic acid stream to a third reactor containing a catalyst that includes a metal selected from group 10 and group 11 metals to produce vinyl acetate.
    Type: Application
    Filed: March 8, 2019
    Publication date: February 11, 2021
    Applicant: NOVA Chemicals (International) S.A.
    Inventors: David Gent, Shahin Goodarznia, Vasily Simanzhenkov, Kamal Serhal, Claire Ennis, Robert Ladd