Patents by Inventor Jacob M. Crosthwaite

Jacob M. Crosthwaite 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).

  • Nonionic surfactant compositions for enhanced oil recovery
    Patent number: 10662370
    Abstract: The present invention provides for a method of using a mixture of two or more nonionic surfactants for enhanced oil recovery and for an emulsion that includes carbon dioxide, a diluent and a mixture of two or more nonionic surfactants, where each nonionic surfactant is prepared with a double metal cyanide catalyst.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 26, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Adam L. Grzesiak, Robert M. Campbell, Jacob M. Crosthwaite, Amit Katiyar, Troy E. Knight, Pramod D. Patil
  • NONIONIC SURFACTANT COMPOSITIONS FOR ENHANCED OIL RECOVERY
    Publication number: 20190256763
    Abstract: The present invention provides methods of using a mixture of two or more nonionic surfactants for enhanced oil recovery, where each nonionic surfactant is prepared with a double metal cyanide catalyst. The present invention also provides for an emulsion that includes carbon dioxide, a diluent and the mixture of nonionic surfactants.
    Type: Application
    Filed: October 4, 2017
    Publication date: August 22, 2019
    Inventors: Adam L. Grzesiak, Robert M. Campbell, Jacob M. Crosthwaite, Amit Katiyar, Troy E. Knight, Pramod D. Patil
  • Breaking a methanol/methyl methacrylate azeotrope using pressure swing distillation
    Patent number: 10144698
    Abstract: A methanol/MMA azeotrope is broken or avoided by a method comprising the steps of (1) raising the pressure within a first vessel, e.g., a distillation column, that contains a methanol/MMA azeotrope, (2) collecting the azeotrope as a liquid, and then in a second, separate vessel, e.g., another distillation column, (3) raising the pressure sufficiently to allow for the breaking of or avoidance of the azeotrope and the recovery of the methanol.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: December 4, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: John G. Pendergast, William G. Worley, Stacy W. Hoy, IV, Jacob M. Crosthwaite
  • Separation process
    Patent number: 10059651
    Abstract: The azeotrope, or near azeotrope, of methanol and MMA is separated via extractive distillation using an extractive distillation solvent comprising cyclohexanone.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: August 28, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: John G. Pendergast, Jr., Jacinto Lopez-Toledo, William G. Worley, Stacy W. Hoy, IV, Jacob M. Crosthwaite
  • SEPARATION PROCESS
    Publication number: 20170334829
    Abstract: The azeotrope, or near azeotrope, of methanol and MMA is separated via extractive distillation using an extractive distillation solvent comprising cyclohexanone.
    Type: Application
    Filed: October 7, 2015
    Publication date: November 23, 2017
    Inventors: John G. Pendergast, Jr., Jacinto Lopez-Toledo, William G. Worley, Stacy W. Hoy, IV, Jacob M. Crosthwaite
  • Breaking a Methanol/Methyl Methacrylate Azeotrope Using Pressure Swing Distillation
    Publication number: 20170247313
    Abstract: A methanol/MMA azeotrope is broken or avoided by a method comprising the steps of (1) raising the pressure within a first vessel, e.g., a distillation column, that contains a methanol/MMA azeotrope, (2) collecting the azeotrope as a liquid, and then in a second, separate vessel, e.g., another distillation column, (3) raising the pressure sufficiently to allow for the breaking of or avoidance of the azeotrope and the recovery of the methanol.
    Type: Application
    Filed: October 2, 2015
    Publication date: August 31, 2017
    Inventors: John G. Pendergast, William G. Worley, Stacy W. Hoy, IV, Jacob M. Crosthwaite
  • EXTRACTIVE DISTILLATION PROCESS
    Publication number: 20160207853
    Abstract: A process for extracting divinylarene from a composition mixture stream comprising at least an ethylvinylarene and at least a divinylarene, the process comprising the steps of: (a) contacting a composition mixture stream comprising at least an ethylvinylarene and at least a divinylarene with a liquid extractive agent such that at least a portion of the divinylarene present in the composition mixture is extracted into the liquid extractive agent; and (b) recovering at least a portion of the divinylarene extracted from the ethylvinylarene stream to form a divinylarene product stream; wherein the divinylarene product stream contains at least 50 weight percent divinylarene; and an apparatus for extracting divinylarene from the composition mixture stream.
    Type: Application
    Filed: August 27, 2014
    Publication date: July 21, 2016
    Inventors: Bruce S. Holden, Jacob M. Crosthwaite, Robert M. Campbell