Patents by Inventor David C. Dutschmann

David C. Dutschmann 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: 10731092
    Abstract: The invention generally relates to processes for separating steam cracker products by fractional distillation, and to systems and apparatus useful in such processes. More specifically, the invention relates to decreasing the amount of fractionator fouling that can result from increasing the amount of hydrocarbon molecules in the steam cracker feed having four or fewer carbon atoms.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: August 4, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Alok Srivastava, David C. Dutschmann, Thomas W. Pavia
  • Publication number: 20190233748
    Abstract: The invention generally relates to processes for separating steam cracker products by fractional distillation, and to systems and apparatus useful in such processes. More specifically, the invention relates to decreasing the amount of fractionator fouling that can result from increasing the amount of hydrocarbon molecules in the steam cracker feed having four or fewer carbon atoms.
    Type: Application
    Filed: April 9, 2019
    Publication date: August 1, 2019
    Inventors: Alok Srivastava, David C. Dutschmann, Thomas W. Pavia
  • Patent number: 10294432
    Abstract: The invention generally relates to processes for separating steam cracker products by fractional distillation, and to systems and apparatus useful in such processes. More specifically, the invention relates to decreasing the amount of fractionator fouling that can result from increasing the amount of hydrocarbon molecules in the steam cracker feed having four or fewer carbon atoms.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: May 21, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Alok Srivastava, David C. Dutschmann, Thomas W. Pavia
  • Publication number: 20160376511
    Abstract: The invention generally relates to processes for separating steam cracker products by fractional distillation, and to systems and apparatus useful in such processes. More specifically, the invention relates to decreasing the amount of fractionator fouling that can result from increasing the amount of hydrocarbon molecules in the steam cracker feed having four or fewer carbon atoms.
    Type: Application
    Filed: April 14, 2016
    Publication date: December 29, 2016
    Inventors: Alok Srivastava, David C. Dutschmann, Thomas W. Pavia