Patents by Inventor Aaron D. Sadow

Aaron D. Sadow 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).

  • Pore-encapsulated catalysts for selective hydrogenolysis of plastic waste
    Patent number: 11857951
    Abstract: Disclosed herein is a catalyst which comprises a silica core having an outer surface and a mesoporous silica shell having an outer surface and an inner surface with the inner surface being inside the outer surface of said mesoporous silica shell proximate to and surrounding the outer surface of said silica core. Wherein the outer surface of the mesoporous silica shell has openings leading to pores within the mesoporous silica shell which extend toward the outer surface of said silica core. The catalyst also includes catalytically active metal nanoparticles positioned within the pores proximate to said core, wherein the catalytic metal nanoparticles comprise about 0.0001 wt % to about 1.0 wt % of the catalyst. Also disclosed are methods of making the catalyst and using it to carry out a process for catalytically hydrogenolysizing a polyolefinic polymer.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: January 2, 2024
    Assignees: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., CORNELL UNIVERSITY
    Inventors: Aaron D. Sadow, Wenyu Huang, Frédéric A. Perras, Marek Pruski, Akalanka Tennakoon, Xun Wu, Anne M. Lapointe
  • Catalytic upcycling of polymers
    Patent number: 11780985
    Abstract: A method of upcycling polymers to useful hydrocarbon materials. A catalyst with nanoparticles on a substrate selectively docks and cleaves longer hydrocarbon chains over shorter hydrocarbon chains. The nanoparticles exhibit an edge to facet ratio to provide for more interactions with the facets.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: October 10, 2023
    Assignee: UChicago Argonne, LLC
    Inventors: Massimiliano Delferro, Magali S. Ferrandon, Robert M. Kennedy, Gokhan Celik, Ryan Hackler, Kenneth Poeppelmeier, Aaron D. Sadow
  • CATALYTIC POLYMER PROCESSING
    Publication number: 20230166246
    Abstract: A method of upcycling polymers to useful hydrocarbon materials. A catalyst with nanoparticles on a substrate selectively docks and cleaves longer hydrocarbon chains over shorter hydrocarbon chains. The catalyst includes metal nanoparticles in an order array on a substrate.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 1, 2023
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Massimiliano Delferro, Magali S. Ferrandon, Kenneth R. Poeppelmeier, Aaron D. Sadow, Susannah Scott, Anne M. LaPointe, Geoffrey Coates
  • Catalytic polymer processing
    Patent number: 11596935
    Abstract: A method of upcycling polymers to useful hydrocarbon materials. A catalyst with nanoparticles on a substrate selectively docks and cleaves longer hydrocarbon chains over shorter hydrocarbon chains. The catalyst includes metal nanoparticles in an order array on a substrate.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: March 7, 2023
    Assignee: UChicago Argonne, LLC
    Inventors: Massimiliano Delferro, Magali S. Ferrandon, Kenneth R. Poeppelmeier, Aaron D. Sadow, Susannah Scott, Anne M. LaPointe, Geoffrey Coates
  • PORE-ENCAPSULATED CATALYSTS FOR SELECTIVE HYDROGENOLYSIS OF PLASTIC WASTE
    Publication number: 20220111356
    Abstract: Disclosed herein is a catalyst which comprises a silica core having an outer surface and a mesoporous silica shell having an outer surface and an inner surface with the inner surface being inside the outer surface of said mesoporous silica shell proximate to and surrounding the outer surface of said silica core. Wherein the outer surface of the mesoporous silica shell has openings leading to pores within the mesoporous silica shell which extend toward the outer surface of said silica core. The catalyst also includes catalytically active metal nanoparticles positioned within the pores proximate to said core, wherein the catalytic metal nanoparticles comprise about 0.0001 wt % to about 1.0 wt % of the catalyst. Also disclosed are methods of making the catalyst and using it to carry out a process for catalytically hydrogenolysizing a polyolefinic polymer.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 14, 2022
    Inventors: Aaron D. SADOW, Wenyu HUANG, Frédéric A. PERRAS, Marek PRUSKI, Akalanka TENNAKOON, Xun WU, Anne M. LAPOINTE
  • CATALYTIC UPCYCLING OF POLYMERS
    Publication number: 20210061971
    Abstract: A method of upcycling polymers to useful hydrocarbon materials. A catalyst with nanoparticles on a substrate selectively docks and cleaves longer hydrocarbon chains over shorter hydrocarbon chains. The nanoparticles exhibit an edge to facet ratio to provide for more interactions with the facets.
    Type: Application
    Filed: August 24, 2020
    Publication date: March 4, 2021
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Massimiliano Delferro, Magali S. Ferrandon, Robert M. Kennedy, Gokhan Celik, Ryan Hackler, Kenneth Poeppelmeier, Aaron D. Sadow
  • CATALYTIC POLYMER PROCESSING
    Publication number: 20200238269
    Abstract: A method of upcycling polymers to useful hydrocarbon materials. A catalyst with nanoparticles on a substrate selectively docks and cleaves longer hydrocarbon chains over shorter hydrocarbon chains. The catalyst includes metal nanoparticles in an order array on a substrate.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 30, 2020
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Massimiliano Delferro, Magali S. Ferrandon, Kenneth R. Poeppelmeier, Aaron D. Sadow, Susannah Scott, Anne M. LaPointe, Geoffrey Coates