Patents by Inventor Motokatsu Ogawa

Motokatsu Ogawa 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).

  • Patent number: 10750746
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: August 25, 2020
    Assignees: University of Florida Research Foundation, Inc., STC.UNM
    Inventors: David G. Whitten, Kirk S. Schanze, Anand Parthasarathy, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista, Eric H. Hill
  • Publication number: 20190116797
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Application
    Filed: November 15, 2018
    Publication date: April 25, 2019
    Inventors: David G. Whitten, Kirk S. Schanze, Anand Parthasarathy, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista, Eric H. Hill
  • Patent number: 10174042
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: January 8, 2019
    Assignees: STC.UNM, University of Florida Research Foundation, Inc.
    Inventors: David G. Whitten, Kirk S. Schanze, Anand Parthasarathy, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista, Eric H. Hill
  • Publication number: 20170057970
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Application
    Filed: November 10, 2016
    Publication date: March 2, 2017
    Inventors: David G. Whitten, Kirk S. Schanze, Anand Parthasarathy, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista, Eric H. Hill
  • Patent number: 9527806
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: December 27, 2016
    Assignees: STC.UNM, University of Florida Research Foundation, Inc.
    Inventors: David G. Whitten, Kirk S. Schanze, Anand Parthasarathy, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista, Eric H. Hill
  • Patent number: 9005540
    Abstract: Hollow conjugated polyelectrolyte (HCPE) microcapsules contain at least one conjugated polyelectrolyte and at least one other polyelectrolyte of complementary charge and the microcapsule has a hollow core. The conjugated polyelectrolyte is a polymer with a multiplicity of charged repeating units where a portion of the charged repeating units form a pi-conjugated sequence. The complementary polyelectrolyte is a polymer with a complementary charged repeating unit to the charged repeating units of the conjugated polyelectrolyte. The HCPE microcapsules can be formed by successively coating a sacrificial core with alternating layers of complementary polyelectrolytes, at least one of which is a conjugated polyelectrolyte. The sacrificial core can be removed to form the hollow center of a HCPE microcapsule.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: April 14, 2015
    Assignees: University of Florida Research Foundation, Inc., STC.UNM
    Inventors: Kirk S. Schanze, Motokatsu Ogawa, Jonathan Robert Sommer, David G. Whitten, Thomas S. Corbitt
  • Patent number: 8753570
    Abstract: Novel compounds generally referred to herein as cationic oligomeric phenylene ethynylenes (OPEs), methods of synthesizing OPEs and various uses for the OPEs are described. The compounds can be synthesized in both symmetrical (S-OPE) and non-symmetrical (N-OPE) forms. Suitable uses include sensor and biocidal applications. Reusable structures incorporating the OPEs that are able to capture and release biological species of interest are also described.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: June 17, 2014
    Assignee: STC.UNM
    Inventors: David Whitten, Yanli Tang, Zhijun Zhou, Linnea Ista, Motokatsu Ogawa, David Keller, Brett Andrzejewski, Gabriel Lopez, Kirk Schanze
  • Publication number: 20140086795
    Abstract: Hollow conjugated polyelectrolyte (HCPE) microcapsules contain at least one conjugated polyelectrolyte and at least one other polyelectrolyte of complementary charge and the microcapsule has a hollow core. The conjugated polyelectrolyte is a polymer with a multiplicity of charged repeating units where a portion of the charged repeating units form a pi-conjugated sequence. The complementary polyelectrolyte is a polymer with a complementary charged repeating unit to the charged repeating units of the conjugated polyelectrolyte. The HCPE microcapsules can be formed by successively coating a sacrificial core with alternating layers of complementary polyelectrolytes, at least one of which is a conjugated polyelectrolyte. The sacrificial core can be removed to form the hollow center of a HCPE microcapsule.
    Type: Application
    Filed: November 27, 2013
    Publication date: March 27, 2014
    Applicants: STC.UNM, University of Florida Research Foundation, Inc.
    Inventors: Kirk S. Schanze, Motokatsu Ogawa, Jonathan Robert Sommer, David G. Whitten, Thomas S. Corbitt
  • Patent number: 8618009
    Abstract: Hollow conjugated polyelectrolyte (HCPE) microcapsules contain at least one conjugated polyelectrolyte and at least one other polyelectrolyte of complementary charge and the microcapsule has a hollow core. The conjugated polyelectrolyte is a polymer with a multiplicity of charged repeating units where a portion of the charged repeating units form a pi-conjugated sequence. The complementary polyelectrolyte is a polymer with a complementary charged repeating unit to the charged repeating units of the conjugated polyelectrolyte. The HCPE microcapsules can be formed by successively coating a sacrificial core with alternating layers of complementary polyelectrolytes, at least one of which is a conjugated polyelectrolyte. The sacrificial core can be removed to form the hollow center of a HCPE microcapsule.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: December 31, 2013
    Assignee: STC.UNM
    Inventors: Kirk S. Schanze, Motokatsu Ogawa, Jonathan R. Sommer, David G. Whitten, Thomas Corbitt
  • Patent number: 8598053
    Abstract: The present disclosure describes the manufacture and use of soft surfaces such as fabrics bearing surface-grafted antimicrobial polymers.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: December 3, 2013
    Assignee: STC.UNM
    Inventors: David G. Whitten, Linnea K. Ista, Thomas S. Corbitt, Motokatsu Ogawa, Kirk S. Schanze, Gabriel P. Lopez, Ramanathan Nagarajan
  • Publication number: 20130210828
    Abstract: The present disclosure provides novel poly(phenylene ethynylene) (PPE) compounds, methods for synthesizing these compounds, and materials and substances incorporating these compounds. The various PPEs show antibacterial, antiviral and antifungal activity.
    Type: Application
    Filed: July 13, 2011
    Publication date: August 15, 2013
    Inventors: David G. Whitten, Kirk S. Sehanze, Anand Parthsaray, Eunkyung Ji, Motokatsu Ogawa, Thomas S. Corbitt, Dimitri Dascier, Ying Wang, Linnea K. Ista
  • Patent number: 8455265
    Abstract: A surface grafted conjugated polyelectrolyte (CPE) is formed by coupling a CPE by a coupling moiety to the surface of a substrate. The substrate can be of any shape and size, and for many uses of the surface grafted CPE, it is advantageous that the substrate is a nanoparticle or microparticle. Surface grafted CPEs are presented that use silica particles as the substrate, where a modified silane coupling agent connects the surface to the CPE by a series of covalent bonds. Two methods of preparing the surface grafted CPEs are presented. One method involves the inclusion of the surface being modified by the coupling agent and condensed with monomers that form the CPE in a grafted state to the substrate. A second method involves the formation of a CPE with terminal groups that are complimentary to functionality that has been placed on the surface of the substrate by reaction with a coupling agent. The surface grafted CPEs are also described for use as biosensors and biocides.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: June 4, 2013
    Assignee: STC.UNM
    Inventors: David G. Whitten, Sireesha Chemburu, Thomas Corbitt, Linnea Ista, Gabriel Lopez, Kirk S. Schanze, Motokatsu Ogawa, Eunkyung Ji
  • Publication number: 20120271023
    Abstract: The present disclosure describes the manufacture and use of soft surfaces such as fabrics bearing surface-grafted antimicrobial polymers.
    Type: Application
    Filed: October 12, 2010
    Publication date: October 25, 2012
    Applicant: STC.UNM
    Inventors: David G. Whitten, Linnea K. Ista, Thomas S. Corbitt, Motokatsu Ogawa, Kirk S. Schanze, Gabriel P. Lopez, Ramanathan Nagarajan
  • Publication number: 20110293470
    Abstract: Hollow conjugated polyelectrolyte (HCPE) microcapsules contain at least one conjugated polyelectrolyte and at least one other polyelectrolyte of complementary charge and the microcapsule has a hollow core. The conjugated polyelectrolyte is a polymer with a multiplicity of charged repeating units where a portion of the charged repeating units form a pi-conjugated sequence. The complementary polyelectrolyte is a polymer with a complementary charged repeating unit to the charged repeating units of the conjugated polyelectrolyte. The HCPE microcapsules can be formed by successively coating a sacrificial core with alternating layers of complementary polyelectrolytes, at least one of which is a conjugated polyelectrolyte. The sacrificial core can be removed to form the hollow center of a HCPE microcapsule.
    Type: Application
    Filed: November 9, 2009
    Publication date: December 1, 2011
    Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION INC.
    Inventors: KIRK S. Schanze, Motokatsu Ogawa, Jonathan R. Sommer, David G. Whitten, Thomas Corbitt
  • Publication number: 20110223058
    Abstract: Novel compounds generally referred to herein as cationic oligomeric phenylene ethynylenes (OPEs), methods of synthesizing OPEs and various uses for the OPEs are described. The compounds can be synthesized in both symmetrical (S-OPE) and non-symmetrical (N-OPE) forms. Suitable uses include sensor and biocidal applications. Reusable structures incorporating the OPEs that are able to capture and release biological species of interest are also described.
    Type: Application
    Filed: June 26, 2009
    Publication date: September 15, 2011
    Applicant: STC.UNM
    Inventors: David Whitten, Yanli Tang, Zhijun Zhou, Linnea Ista, Motokatsu Ogawa, David Keller, Brett Andrzejewski, Gabriel Lopez, Kirk Schanze
  • Publication number: 20110159605
    Abstract: A surface grafted conjugated polyelectrolyte (CPE) is formed by coupling a CPE by a coupling moiety to the surface of a substrate. The substrate can be of any shape and size, and for many uses of the surface grafted CPE, it is advantageous that the substrate is a nanoparticle or microparticle. Surface grafted CPEs are presented that use silica particles as the substrate, where a modified silane coupling agent connects the surface to the CPE by a series of covalent bonds. Two methods of preparing the surface grafted CPEs are presented. One method involves the inclusion of the surface being modified by the coupling agent and condensed with monomers that form the CPE in a grafted state to the substrate. A second method involves the formation of a CPE with terminal groups that are complimentary to functionality that has been placed on the surface of the substrate by reaction with a coupling agent. The surface grafted CPEs are also described for use as biosensors and biocides.
    Type: Application
    Filed: February 29, 2008
    Publication date: June 30, 2011
    Applicant: University of Florida Research Foundation, Inc.
    Inventors: David G. Whitten, Sireesha Chemburu, Thomas Corbitt, Linnea Ista, Gabriel Lopez, Kirk S. Schanze, Motokatsu Ogawa, Eunkyung Ji