Patents by Inventor Joselito Razal

Joselito Razal 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).

  • Chemical gradients
    Patent number: 11260147
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 1, 2022
    Assignee: Board of Regents, The University of Texas System
    Inventors: Mario I. Romero-Ortega, Parisa Lotfi, Benjamin R Johnston, Swarupnarayan Dash, Joselito Razal, Gordon Wallace
  • CHEMICAL GRADIENTS
    Publication number: 20200268934
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Application
    Filed: May 11, 2020
    Publication date: August 27, 2020
    Inventors: Mario I. ROMERO-ORTEGA, Parisa LOTFI, Benjamin R. JOHNSTON, Swarupnarayan DASH, Joselito RAZAL, Gordon WALLACE
  • Chemical gradients
    Patent number: 10646617
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: May 12, 2020
    Assignee: Board of Regents, The University of Texas System
    Inventors: Mario I. Romero-Ortega, Parisa Lotfi, Benjamin R. Johnston, Swarupnarayan Dash, Joselito Razal, Gordon Wallace
  • CHEMICAL GRADIENTS
    Publication number: 20180193521
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Application
    Filed: March 5, 2018
    Publication date: July 12, 2018
    Inventors: Mario I. ROMERO-ORTEGA, Parisa LOTFI, Benjamin R. JOHNSTON, Swarupnarayan DASH, Joselito RAZAL, Gordon WALLACE
  • Chemical gradients
    Patent number: 9931432
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: April 3, 2018
    Assignee: Board of Regents, The University of Texas System
    Inventors: Mario I. Romero-Ortega, Parisa Lotfi, Benjamin R. Johnston, Swarupnarayan Dash, Joselito Razal, Gordon Wallace
  • CHEMICAL GRADIENTS
    Publication number: 20160000965
    Abstract: In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel.
    Type: Application
    Filed: February 18, 2014
    Publication date: January 7, 2016
    Inventors: Mario I. ROMERO-ORTEGA, Parisa LOTFI, Benjamin R. JOHNSTON, Swarupnarayan DASH, Joselito RAZAL, Gordon WALLACE
  • Fuel-powered actuators and methods of using same
    Patent number: 8096119
    Abstract: Fuel-powered actuators are described wherein actuation is a consequence of electrochemical processes, chemical processes, or combinations thereof. These fuel-powered actuators include artificial muscles and actuators in which actuation is non-mechanical. The actuators range from large actuators to microscopic and nanoscale devices.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: January 17, 2012
    Assignee: Board of Regents, The University of Texas System
    Inventors: Ray H. Baughman, Von Howard Ebron, Zhiwei Yang, Daniel J. Seyer, Mikhail Kozlov, Jiyoung Oh, Hui Xie, Joselito Razal, John P. Ferraris, Alan G. MacDiarmid, Robin B. McConnell, legal representative, Gayle P. Gentile, legal representative, William Alexander Macaulay
  • FUEL-POWERED ACTUATORS AND METHODS OF USING SAME
    Publication number: 20090021106
    Abstract: Fuel-powered actuators are described wherein actuation is a consequence of electrochemical processes, chemical processes, or combinations thereof. These fuel-powered actuators include artificial muscles and actuators in which actuation is non-mechanical. The actuators range from large actuators to microscopic and nanoscale devices.
    Type: Application
    Filed: March 2, 2007
    Publication date: January 22, 2009
    Applicant: Board of Regents, The University of Texas System
    Inventors: Ray H. Baughman, Von Howard Ebron, Zhiwei Yang, Daniel J. Seyer, Mikhail Kozlov, Jiyoung Oh, Hui Xie, Joselito Razal, John P. Ferraris, Alan G. Macdiarmid, William Alexander Macaulay