Patents by Inventor Brien Stears

Brien Stears 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).

  • Publication number: 20240051901
    Abstract: According to one or more embodiments of the present disclosure, a method for producing olefins includes contacting a hydrocarbon-containing feed with a catalyst in a reactor portion of a reactor system to form an olefin-containing effluent, separating at least a portion of the olefin-containing effluent from the catalyst, passing the catalyst to a catalyst-processing portion of the reactor system and processing the catalyst to produce a processed catalyst and a combustion gas, passing the processed catalyst from the catalyst-processing portion to the reactor portion, and introducing a combustion additive to the reactor system when the combustion gas comprises one or more hydrocarbons in an amount greater than 5% of an LFL of the combustion gas at a temperature and pressure of the catalyst processing portion. The catalyst may include from 1 ppmw to 150 ppmw platinum. The combustion additive may include from 150 ppmw to 1,000 ppmw platinum.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 15, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Lin Luo, Yang Yang, Adrianus Koeken, Brien Stears, Luis Bollmann, Andrzej Malek, Brian W. Goodfellow
  • Publication number: 20240050927
    Abstract: According to one or more embodiments of the present disclosure, a catalyst system useful for dehydrogenation includes from 98 vol. % to 99.95 vol. % of a catalyst and from 0.05 vol. % to 2 vol. % of a combustion additive. The catalyst may include from 1 ppmw to 150 ppmw platinum, gallium, and a support material. The combustion additive may include from 150 ppmw to 1,000 ppmw platinum, gallium, and a support material. The combustion additive may include at least 1.1 times greater platinum than the catalyst.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 15, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Lin Luo, Yang Yang, Adrianus Koeken, Brien Stears, Luis Bollmann, Andrzej Malek, Brian W. Goodfellow
  • Publication number: 20140336431
    Abstract: Processes for the production of alkenes are provided. The processes make use of methane as a low cost starting material.
    Type: Application
    Filed: December 21, 2012
    Publication date: November 13, 2014
    Inventors: Max Markus Tirtowidjojo, Brien Stears, William J. Kruper, JR., Kurt Frederick Hirsekorn, JR., Debashis Chakraborty