Patents by Inventor Zhongju Liu Zhao

Zhongju Liu Zhao 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: 20170027839
    Abstract: There is provided a method of producing a stabilized catalase enzyme. In the method, a substrate is thoroughly mixed with phosphate borate and catalase, rinsed with water and the solids dried. The dried solid may be mixed with polyvinyl alcohol and dried for further stabilization. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Application
    Filed: October 10, 2016
    Publication date: February 2, 2017
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Publication number: 20170022483
    Abstract: There is provided a method of producing a stabilized microcrystalline cellulose powder containing catalase enzyme. In the method, cellulose is thoroughly mixed with phosphate borate and catalase, rinsed with water and a surfactant added. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Application
    Filed: October 4, 2016
    Publication date: January 26, 2017
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Patent number: 9487759
    Abstract: There is provided a method of producing a stabilized catalase enzyme. In the method, a substrate is thoroughly mixed with phosphate borate and catalase, rinsed with water and the solids dried. The dried solid may be mixed with polyvinyl alcohol and dried for further stabilization. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: November 8, 2016
    Assignee: Avent, Inc.
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Patent number: 9481879
    Abstract: There is provided a method of producing a stabilized microcrystalline cellulose powder containing catalase enzyme. In the method, cellulose is thoroughly mixed with phosphate borate and catalase, rinsed with water and a surfactant added. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: November 1, 2016
    Assignee: Avent, Inc.
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Patent number: 9181093
    Abstract: There is provided a two part spray for the liberation and delivery of oxygen through the use of a first part that is a peroxide-containing solution and a second part that is a nanoparticle manganese dioxide catalyst. When the two parts are mixed together, the ensuing reaction results in the liberation of oxygen.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: November 10, 2015
    Assignee: Avent, Inc.
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Publication number: 20140242056
    Abstract: There is provided a method of producing a stabilized catalase enzyme. In the method, a substrate is thoroughly mixed with phosphate borate and catalase, rinsed with water and the solids dried. The dried solid may be mixed with polyvinyl alcohol and dried for further stabilization. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Publication number: 20140170129
    Abstract: There is provided a method of producing a stabilized microcrystalline cellulose powder containing catalase enzyme. In the method, cellulose is thoroughly mixed with phosphate borate and catalase, rinsed with water and a surfactant added. The stabilized powder may be mixed with various skin solutions (lotions, ointments and the like). The catalase enzyme can catalyze the reaction of peroxide to oxygen.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao
  • Patent number: 8652531
    Abstract: There is provided on-demand, oxygen generating topical compositions having a built-in indicator specifically to indicate a color change upon the complete mixing of the oxygen precursor and catalyst. The first part of the composition contains a carrier and manganese dioxide (MnO2) nanoparticles. The second part of the composition comprises the oxygen precursor; hydrogen peroxide. When the two parts, one with manganese dioxide nanoparticles and exhibiting a characteristic color, (e.g. yellow brown) and the second part with hydrogen peroxide are mixed together, the color imparted by the manganese dioxide nanoparticles essentially disappears and the final composition (enriched with oxygen) either appears colorless or takes on the original color of the catalyst. Thus, the manganese dioxide catalyst nanoparticles themselves serve as the colorimetric indicator of peroxide decomposition to oxygen, precluding the need for an external colorant.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: February 18, 2014
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Bhalchandra M. Karandikar, Carin J. Berg, Sophie Truc Lam, Sunita J. Macwana, Zhongju Liu Zhao
  • Publication number: 20130028983
    Abstract: There is provided on-demand, oxygen generating topical compositions having a built-in indicator specifically to indicate a color change upon the complete mixing of the oxygen precursor and catalyst. The first part of the composition contains a carrier and manganese dioxide (MnO2) nanoparticles. The second part of the composition comprises the oxygen precursor; hydrogen peroxide. When the two parts, one with manganese dioxide nanoparticles and exhibiting a characteristic color, (e.g. yellow brown) and the second part with hydrogen peroxide are mixed together, the color imparted by the manganese dioxide nanoparticles essentially disappears and the final composition (enriched with oxygen) either appears colorless or takes on the original color of the catalyst. Thus, the manganese dioxide catalyst nanoparticles themselves serve as the colorimetric indicator of peroxide decomposition to oxygen, precluding the need for an external colorant.
    Type: Application
    Filed: July 23, 2012
    Publication date: January 31, 2013
    Inventors: Bhalchandra M. Karandikar, Carin J. Berg, Sophie Truc Lam, Sunita J. Macwana, Zhongju Liu Zhao
  • Publication number: 20130028810
    Abstract: There is provided a two part spray for the liberation and delivery of oxygen through the use of a first part that is a peroxide-containing solution and a second part that is a nanoparticle manganese dioxide catalyst. When the two parts are mixed together, the ensuing reaction results in the liberation of oxygen.
    Type: Application
    Filed: July 23, 2012
    Publication date: January 31, 2013
    Inventors: Bhalchandra M. Karandikar, Sunita J. Macwana, Zhongju Liu Zhao