Patents by Inventor David W. Flaherty

David W. Flaherty 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).

  • HETEROGENEOUS CATALYST COMPRISING PLATINUM AND RUTHENIUM ON A ZEOLITE CARRIER AND THE USE OF SUCH CATALYST IN A PROCESS FOR PRODUCING AN ETHER
    Publication number: 20260092027
    Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprises platinum and ruthenium deposited on a zeolite support.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 2, 2026
    Inventors: Jing Luo, Xue Chen, David G. Barton, David W. Flaherty, Claudia Eugenia Berdugo-diaz, Yangsik Yun, Jieun Lee
  • Processes for producing an ether
    Patent number: 12522551
    Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: January 13, 2026
    Assignees: Dow Global Technologies LLC, Board of Trustees of the University of Illinois
    Inventors: David W. Flaherty, David G. Barton, Xue Chen, Claudia Eugenia Berdugo-diaz, Jing Luo, Yangsik Yun
  • HETEROGENEOUS CATALAYST COMPRISING A TRANSITION METAL ON A SULFONIC ACID FUNCTIONALIZED SiO2 CARRIER AND THE USE OF SUCH CATALYST IN A PROCESSES FOR PRODUCING AN ETHER
    Publication number: 20240286985
    Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprises a transition metal deposited on a sulfonic acid functionalized SiO2 support.
    Type: Application
    Filed: November 2, 2022
    Publication date: August 29, 2024
    Inventors: Jing Luo, Xue Chen, David G. Barton, David W. Flaherty, Claudia Eugenia Berdugo-diaz, Yangsik Yun
  • HETEROGENEOUS CATALYST COMPRISING A TRANSITION METAL ON A ZEOLITE CARRIER AND THE USE OF SUCH CATALYST IN A PROCESS FOR PRODUCING AN ETHER
    Publication number: 20240279147
    Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprises a transition metal deposited on a zeolite support.
    Type: Application
    Filed: November 2, 2022
    Publication date: August 22, 2024
    Inventors: Jing Luo, Xue Chen, David G. Barton, David W. Flaherty, Claudia Eugenia Berdugo-Diaz, Yangsik Yun, Jieun Lee
  • PROCESSES FOR PRODUCING AN ETHER
    Publication number: 20230265032
    Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product.
    Type: Application
    Filed: October 4, 2021
    Publication date: August 24, 2023
    Inventors: David W. Flaherty, David G. Barton, Xue Chen, Claudia Eugenia Berdugo-diaz, Jing Luo, Yangsik Yun