Patents by Inventor Tewodros Asefa

Tewodros Asefa 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: 20230191370
    Abstract: Provided herein are TiO2-x nanoparticles and materials that show unusual photophysical and optical properties. These TiO2-x particles and materials can be used as efficient photocatalysts for the reduction of CO2 with H2O to produce CH4. Also provided herein are methods of making TiO2-x nanoparticles using a polymer-derived mesoporous carbon (PDMC) as a template.
    Type: Application
    Filed: May 14, 2021
    Publication date: June 22, 2023
    Inventors: Tewodros Asefa, Tao Zhang, Eliska Materna Mikmeková, Alexei M. Tyryshkin
  • Publication number: 20230181760
    Abstract: The present disclosure relates to compositions and methods of treating a wound, or location of interest, in a subject by topically administering to the subject the therapeutic composition of the disclosure. The composition of the disclosure comprises nanoparticle (NP) composites for delivering one or more therapeutic agents to the wound.
    Type: Application
    Filed: May 13, 2021
    Publication date: June 15, 2023
    Inventors: Maricely Ramirez Hernandez, Tewodros Asefa, Jeffrey Boyd, Javiera Norambuena-Morales
  • Patent number: 11547680
    Abstract: The present invention relates in one aspect to the discovery of novel mesoporous silica nanoparticles (MSNs) templated around and comprising benzalkonium chloride (BAC). In certain embodiments, the BAC-SiO2 mesoporous nanoparticles are capable of sustained release of BAC under acidic conditions, thereby acting as a long release antimicrobial agent. In other embodiments, the BAC-SiO2 mesoporous nanoparticles can be incorporated into a variety of consumer products as an antimicrobial agent additive, including for example, but not limited to, surgical dressings, bandages, deodorants, soaps, facial cleansers and industrial cleaners.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: January 10, 2023
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Tewodros Asefa, Viktor Dubovoy, Anjani Ganti, Jeffrey M. Boyd
  • Publication number: 20210137855
    Abstract: The present invention relates in one aspect to the discovery of novel mesoporous silica nanoparticles (MSNs) templated around and comprising benzalkonium chloride (BAC). In certain embodiments, the BAC-SiO2 mesoporous nanoparticles are capable of sustained release of BAC under acidic conditions, thereby acting as a long release antimicrobial agent. In other embodiments, the BAC-SiO2 mesoporous nanoparticles can be incorporated into a variety of consumer products as an antimicrobial agent additive, including for example, but not limited to, surgical dressings, bandages, deodorants, soaps, facial cleansers and industrial cleaners.
    Type: Application
    Filed: May 1, 2019
    Publication date: May 13, 2021
    Inventors: Tewodros Asefa, Viktor Dubovoy, Anjani Ganti, Jeffrey M. Boyd
  • Patent number: 10722743
    Abstract: A multi-catalytic material that includes a polyelectrolyte membrane and methods of preparing the same are provided herein.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 28, 2020
    Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: John Landers, Alexander V. Neimark, Tewodros Asefa, Aleksey Vishnyakov, Anandarup Goswami, Jonathan Colon Ortiz
  • Patent number: 10688474
    Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formate and a hydrogenation reaction of bicarbonate, the method including: adding a silica colloid to a polymerization step of polymerizing aniline and reacting the resulting mixture to form a poly(silica-aniline) composite; carbonizing the corresponding poly(silica-aniline) composite under an atmosphere of an inert gas; removing silica particles from the corresponding poly(silica-aniline) composite to form a polyaniline-based porous carbon support; and fixing palladium particles on the corresponding polyaniline-based porous carbon support to prepare the catalyst.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 23, 2020
    Assignees: Korea Institute of Science and Technology, Rutgers University
    Inventors: Chang Won Yoon, Hyung Chul Ham, Suk Woo Nam, Tewodros Asefa, Katherine Koh, Jonghee Han, Sung Pil Yoon, Hyun Seo Park, Mina Jeon
  • Publication number: 20200181347
    Abstract: The present invention relates in part to the unexpected discovery of novel hybrid organic-inorganic aerogel materials with one-dimensionally aligned pores.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Inventors: Tewodros ASEFA, Heveline Dal Magro FOLLMANN, Rafael DA SILVA
  • Patent number: 9985296
    Abstract: Electrocatalytic polyaniline-derived mesoporous carbon nanoparticles and methods of synthesizing and using the same are provided.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: May 29, 2018
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Tewodros Asefa, Rafael Silva
  • Publication number: 20180085738
    Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formate and a hydrogenation reaction of bicarbonate, the method including: adding a silica colloid to a polymerization step of polymerizing aniline and reacting the resulting mixture to form a poly(silica-aniline) composite; carbonizing the corresponding poly(silica-aniline) composite under an atmosphere of an inert gas; removing silica particles from the corresponding poly(silica-aniline) composite to form a polyaniline-based porous carbon support; and fixing palladium particles on the corresponding polyaniline-based porous carbon support to prepare the catalyst.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 29, 2018
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Rutgers University
    Inventors: Chang Won Yoon, Hyung Chul Ham, Suk Woo Nam, Tewodros Asefa, Katherine Koh, Jonghee Han, Sung Pil Yoon, Hyun Seo Park, Mina Jeon
  • Publication number: 20170007871
    Abstract: A multi-catalytic material that includes a polyelectrolyte membrane and methods of preparing the same are provided herein.
    Type: Application
    Filed: May 13, 2016
    Publication date: January 12, 2017
    Inventors: John Landers, Alexander V. Neimark, Tewodros Asefa, Aleksey Vishnyakov, Anandarup Goswami, Jonathan Colon Ortiz
  • Patent number: 9283545
    Abstract: Efficient and recyclable heterogeneous nanocatalysts and methods of synthesizing and using the same are provided.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: March 15, 2016
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Tewodros Asefa, Ankush V. Biradar, Yanfei Wang
  • Patent number: 9176140
    Abstract: A method of synthesizing corrugated and nanoporous microspheres including the steps of synthesizing substantially smooth spherical microspheres, and controlled wet-etching of the substantially smooth spherical microspheres with a basic solution having a pH above 10.00 is provided. The microspheres can include, for example, silica microspheres or titania microspheres of various sized diameters of between 50 nm and 600 nm. The basic solution can include an aqueous potassium cyanide solution or an aqueous potassium hydroxide solution. Methods of using the corrugated and nanoporous microspheres described herein are also provided.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: November 3, 2015
    Assignee: Syracuse University
    Inventors: Tewodros Asefa, Yan-Li Shi
  • Patent number: 9174203
    Abstract: Selective and efficient multifunctional nanoporous catalysts containing spatially distributed organoamine and silanol groups, and methods of preparation thereof. The catalysts have been observed to be very highly efficient in catalysis of the Henry reaction.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: November 3, 2015
    Inventors: Tewodros Asefa, Krishna K. Sharma
  • Publication number: 20140255822
    Abstract: Electrocatalytic polyaniline-derived mesoporous carbon nanoparticles and methods of synthesizing and using the same are provided.
    Type: Application
    Filed: March 7, 2014
    Publication date: September 11, 2014
    Inventors: Tewodros Asefa, Rafael Silva
  • Patent number: 8802045
    Abstract: A method for synthesizing a phosphonic acid functionalized mesoporous metal oxide material (e.g., silica, titania, alumina, preferably silica material) is provided. Further, a method of using the phosphonic acid functionalized mesoporous silica material as a solid acid catalyst in a pinicole-pinacolone rearrangement reaction, and a method of using a phosphonic acid functionalized mesoporous silica material as a solid acid catalyst in a transesterification reaction is provided. A method for preparing a mesoporous titania film for use in a dye sensitized solar cell is also provided.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: August 12, 2014
    Assignee: Syracuse University
    Inventors: Tewodros Asefa, Richard E. Mishler, II, Eric A. Schiff
  • Publication number: 20120296124
    Abstract: Efficient and recyclable heterogeneous nanocatalysts and methods of synthesizing and using the same are provided.
    Type: Application
    Filed: February 14, 2012
    Publication date: November 22, 2012
    Inventors: Tewodros Asefa, Ankush V. Biradar, Yanfei Wang
  • Publication number: 20120289749
    Abstract: Nanocatalysts and methods of synthesizing and using the same are provided.
    Type: Application
    Filed: May 9, 2012
    Publication date: November 15, 2012
    Inventors: Tewodros Asefa, Ankush V. Biradar
  • Publication number: 20110196164
    Abstract: Selective and efficient multifunctional nanoporous catalysts containing spatially distributed organoamine and silanol groups, and methods of preparation thereof. The catalysts have been observed to be very highly efficient in catalysis of the Henry reaction.
    Type: Application
    Filed: August 16, 2010
    Publication date: August 11, 2011
    Inventors: Tewodros Asefa, Krishna K. Sharma
  • Publication number: 20100313937
    Abstract: A method for synthesizing a phosphonic acid functionalized mesoporous metal oxide material (e.g., silica, titania, alumina, preferably silica material) is provided. Further, a method of using the phosphonic acid functionalized mesoporous silica material as a solid acid catalyst in a pinicole-pinacolone rearrangement reaction, and a method of using a phosphonic acid functionalized mesoporous silica material as a solid acid catalyst in a transesterification reaction is provided. A method for preparing a mesoporous titania film for use in a dye sensitized solar cell is also provided.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 16, 2010
    Applicant: SYRACUSE UNIVERSITY
    Inventors: Tewodros Asefa, Richard E. Mishler, II, Eric A. Schiff
  • Patent number: 7767620
    Abstract: The present invention provides a synthetic strategy for creating a new class of materials called hybrid mesoporous, macroporous, or mesoporous-macroporous organometaloxide materials, exemplified but not limited to hybrid mesoporous organosilicas. This strategy involves taking a pre-assembled mesoporous material having a porous framework and then attaching an organic, inorganic or biological guest molecule to the pore walls of the framework material through two or more chemical linkages. The unusual combination of inorganic and organic components organized into a material with mesoscale porosity and having bridge bonded organic, organometallic, or biological functionalized surfaces suggests a myriad of uses for these composite materials, such as the controlled release and uptake of chemicals and drugs, chiral separations and catalysis, electronic printing and microelectronic packaging, thermal and acoustical insulation.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: August 3, 2010
    Assignee: Novx Systems Inc.
    Inventors: Wesley Whitnall, Tewodros Asefa, Geoffrey Alan Ozin