Patents by Inventor Chang-Jun Liu

Chang-Jun Liu 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: 9556420
    Abstract: Specialized (iso)eugenol 4-O-methyltransferase (s-IEMT) enzymes having increased capacity for methylation of monolignols are disclosed. The s-IEMTs have unique activity favoring methylation of coniferyl alcohol versus sinapyl alcohol. Various s-IEMTs methylate ferulic acid. Means for producing the various s-IEMTs are provided. The s-IEMTs are useful for modification of lignin content and production of aromatic compounds.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: January 31, 2017
    Assignee: Brookhaven Science Associates, LLC
    Inventors: Chang-Jun Liu, Yuanheng Cai
  • Publication number: 20140370568
    Abstract: Specialized (iso)eugenol 4-O-methyltransferase (s-IEMT) enzymes having increased capacity for methylation of monolignols are disclosed. The s-IEMTs have unique activity favoring methylation of coniferyl alcohol versus sinapyl alcohol. Various s-IEMTs methylate ferulic acid. Means for producing the various s-IEMTs are provided. The s-IEMTs are useful for modification of lignin content and production of aromatic compounds.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 18, 2014
    Inventors: Chang-Jun Liu, Yuanheng Cai
  • Patent number: 8889392
    Abstract: Modified (iso)eugenol 4-O-methyltransferase enzymes having novel capacity for methylation of monolignols and reduction of lignin polymerization in plant cell wall are disclosed. Sequences encoding the modified enzymes are disclosed.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: November 18, 2014
    Assignee: Brookhaven Science Associates, LLC
    Inventors: Chang-Jun Liu, Mohammad-Wadud Bhuiya, Kewei Zhang
  • Patent number: 8809627
    Abstract: The invention provides enzymes that encode O-methyltransferases (OMTs) from Medicago truncatula that allow modification to plant (iso)flavonoid biosynthetic pathways. In certain aspects of the invention, the genes encoding these enzymes are provided. The invention therefore allows the modification of plants for isoflavonoid content. Transgenic plants comprising such enzymes are also provided, as well as methods for improving disease resistance in plants. Methods for producing food and nutraceuticals, and the resulting compositions, are also provided.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: August 19, 2014
    Assignee: The Samuel Roberts Noble Foundation, Inc.
    Inventors: Bettina E. Broeckling, Chang-Jun Liu, Richard A. Dixon
  • Publication number: 20120117694
    Abstract: Modified (iso)eugenol 4-O-methyltransferase enzymes having novel capacity for methylation of monolignols and reduction of lignin polymerization in plant cell wall are disclosed. Sequences encoding the modified enzymes are disclosed.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 10, 2012
    Applicant: Brookhaven Science Associates, LLC
    Inventors: Chang-Jun Liu, Mohammad-Wadud Bhuiya, Kewei Zhang
  • Patent number: 8129592
    Abstract: The invention provides plant isoflavonoid hydroxylase coding sequences. Also provided are constructs comprising these sequences, plants transformed therewith and methods of use thereof. In certain aspects of the invention, plants transformed with the nucleic acids are provided exhibiting improved pest and disease resistance. Plants provided by the invention may also exhibit improved nutritional qualities.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: March 6, 2012
    Assignee: The Samuel Roberts Noble Foundation, Inc.
    Inventors: Richard A. Dixon, Chang-Jun Liu
  • Patent number: 7750211
    Abstract: The invention provides method and compositions for the modulation of flavanone and/or isoflavone production in plants. The methods of the invention allow creation of plants having novel phenotypes. Increased expression of isoflavones in particular in plants may be used to increase the nutritional value of food plants for both human and animal consumption. The invention overcomes limitations of the prior art which prevented accumulation of high levels of isoflavones in plants.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: July 6, 2010
    Assignee: The Samuel Roberts Noble Foundation
    Inventors: Richard A. Dixon, Chang-Jun Liu, Bettina Deavours
  • Publication number: 20090142471
    Abstract: The invention provides plant isoflavonoid hydroxylase coding sequences. Also provided are constructs comprising these sequences, plants transformed therewith and methods of use thereof. In certain aspects of the invention, plants transformed with the nucleic acids are provided exhibiting improved pest and disease resistance. Plants provided by the invention may also exhibit improved nutritional qualities.
    Type: Application
    Filed: October 28, 2008
    Publication date: June 4, 2009
    Inventors: Richard A. Dixon, Chang-Jun Liu
  • Publication number: 20080317880
    Abstract: The invention provides enzymes that encode O-methyltransferases (OMTs) from Medicago truncatula that allow modification to plant (iso)flavonoid biosynthetic pathways. In certain aspects of the invention, the genes encoding these enzymes are provided. The invention therefore allows the modification of plants for isoflavonoid content. Transgenic plants comprising such enzymes are also provided, as well as methods for improving disease resistance in plants. Methods for producing food and nutraceuticals, and the resulting compositions, are also provided.
    Type: Application
    Filed: August 16, 2007
    Publication date: December 25, 2008
    Inventors: Bettina E. Broeckling, Chang-Jun Liu, Richard A. Dixon
  • Patent number: 7442851
    Abstract: The invention provides plant isoflavonoid hydroxylase coding sequences. Also provided are constructs comprising these sequences, plants transformed therewith and methods of use thereof. In certain aspects of the invention, plants transformed with the nucleic acids are provided exhibiting improved pest and disease resistance. Plants provided by the invention may also exhibit improved nutritional qualities.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: October 28, 2008
    Assignee: The Samuel Roberts Noble Foundation
    Inventors: Richard A. Dixon, Chang-Jun Liu
  • Publication number: 20080158121
    Abstract: An exemplary gamma regulating system (20) for an LCD has a test-needed LCD (26), a light sensor (21), and a MCU (24). The LCD displays each gray scale image according to internal presetting standard gamma curve. The light sensor measures a luminance value of the gray scale image displayed by the test-needed LCD, and converts the luminance value to a voltage signal. The MCU compares the voltage signals representing the measured luminance values with the parameter data corresponding to the standard gamma curve, and regulates a gray voltage according the comparing result.
    Type: Application
    Filed: December 29, 2007
    Publication date: July 3, 2008
    Inventors: Chang-Jun Liu, Gang-Qiang Zheng
  • Publication number: 20070146302
    Abstract: An exemplary display device (400) includes a display module (430), an integrated power supply (410), a display control circuit (420), a safe control circuit (465), a second power supply (460), a first sensor (425), and a second sensor (435). The integrated power supply is configured to provide electric energy to the display module. The second power supply is connected to the display control circuit via the safe control circuit, and is configured to provide electric energy to the display module via the safe control circuit. The safe control circuit is configured to adjust electric energy that is provided to the display module by the second power supply. The first sensor is connected to the display control circuit, and is configured to sense ambient brightness. The second sensor is connected to the display control circuit, and is configured to sense display brightness of the display module.
    Type: Application
    Filed: December 26, 2006
    Publication date: June 28, 2007
    Inventors: Chang-Jun Liu, Yi-Yin Chen, Guo-Liang Hu
  • Publication number: 20070126682
    Abstract: An exemplary liquid crystal display includes a plurality of gate lines (201) and a plurality of data lines (202) insulated from and crossing with each other defining a plurality of display regions, each one of the display region includes a first pixel unit (208), and a second pixel unit (218). The first pixel unit includes a P-type thin film transistor (203) having a gate (2031), and the second pixel unit includes an N-type thin film transistor (213) having a gate (2131). The gates of the P-type and N-type thin film transistors are both connected to a same one of the gate line.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 7, 2007
    Inventors: Chang-Jun Liu, Yi-Yin Chen
  • Publication number: 20050172354
    Abstract: The invention provides plant isoflavonoid hydroxylase coding sequences. Also provided are constructs comprising these sequences, plants transformed therewith and methods of use thereof. In certain aspects of the invention, plants transformed with the nucleic acids are provided exhibiting improved pest and disease resistance. Plants provided by the invention may also exhibit improved nutritional qualities.
    Type: Application
    Filed: October 28, 2004
    Publication date: August 4, 2005
    Inventors: Richard Dixon, Chang-Jun Liu
  • Publication number: 20040128711
    Abstract: The invention provides method and compositions for the modulation of flavanone and/or isoflavone production in plants. The methods of the invention allow creation of plants having novel phenotypes. Increased expression of isoflavones in particular in plants may be used to increase the nutritional value of food plants for both human and animal consumption. The invention overcomes limitations of the prior art which prevented accumulation of high levels of isoflavones in plants.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 1, 2004
    Applicant: The Samuel Roberts Noble Foundation
    Inventors: Richard A. Dixon, Chang-Jun Liu, Bettina Deavours
  • Publication number: 20020074221
    Abstract: An apparatus and a method of using the apparatus are provided for converting a gas stream containing hydrocarbons to a reaction product containing effluent molecules having at least one carbon atom, having at least one interior surface and at least one exterior surface, a first electrode and a second electrode with the first and second electrodes being selectively movable in relation to each other and positioned within the housing so as to be spatially disposed a predetermined distance from each other, a plasma discharge generator between the first and second electrodes, gas stream introducer and a collector for collecting the reaction product effluent produced by the reaction of the gas stream containing hydrocarbons with the plasma discharge between the first and second electrodes.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 20, 2002
    Inventors: Richard G. Mallinson, Lance Lobban, Chang-Jun Liu
  • Patent number: 6375832
    Abstract: A method of transforming a normally gaseous composition containing at least one hydrogen source, at least one oxygen source and at least one carbon source into a normally liquid fuel, wherein said gaseous composition consists at least in part of carbon dioxide as said carbon source and said oxygen source, and of methane as said hydrogen source and as a second carbon source; the method comprising the steps of feeding the composition into a reactor including a first electrode means, a second electrode means and at least one layer of a normally solid dielectric material positioned between the first and the second electrode means; submitting the composition within the reactor in the presence of a normally solid catalyst to a dielectric barrier discharge, wherein said normally solid catalyst is a member selected from the group of zeolites, aluminophosphates, silicoaluminophosphates, metalloaluminophosphates and metal oxides containing OH groups; and controlling the dielectric barrier discharge to convert the gaseo
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: April 23, 2002
    Assignee: ABB Research Ltd.
    Inventors: Baldur Eliasson, Eric Killer, Chang-Jun Liu
  • Patent number: 6326407
    Abstract: A method of transforming a normally gaseous composition consisting essentially of methane into a material comprising a major portion, at least, of hydrocarbons containing at least two carbon atoms; the method comprising the steps of feeding the composition into a reactor including a first electrode means, a second electrode means and at least one layer of a normally solid dielectric material positioned between the first and the second electrode means; submitting the composition within the reactor in the presence of a normally solid catalyst to a dielectric barrier discharge; and controlling the dielectric barrier discharge to convert the normally gaseous composition into the material comprising a major portion, at least, of the hydrocarbons containing at least two carbon atoms.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: December 4, 2001
    Assignee: ABB Research Ltd.
    Inventors: Baldur Eliasson, Chang-Jun Liu, Eric Killer
  • Patent number: 6284105
    Abstract: A method of cracking a hydrocarbon composition having a normal boiling range beginning at a temperature of at least about 200° C., includes the steps of providing the hydrocarbon composition in a reactor including a first electrode mechanism, a second electrode mechanism and at least one layer of a normally solid dielectric material positioned between the first and the second electrode mechanisms. The hydrocarbon composition within the reactor is exposed to a dielectric barrier discharge, and the dielectric barrier discharge is controlled to convert the hydrocarbon composition into products having normal boiling points of below about 200° C.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 4, 2001
    Assignee: ABB Research Ltd.
    Inventors: Baldur Eliasson, Chang-Jun Liu
  • Patent number: 6159432
    Abstract: An apparatus and a method of using the apparatus are provided for converting a gas stream containing hydrocarbons to a reaction product containing effluent molecules having at least one carbon atom, having at least one interior surface and at least one exterior surface, a first electrode and a second electrode with the first and second electrodes being selectively movable in relation to each other and positioned within the housing so as to be spatially disposed a predetermined distance from each other, a plasma discharge generator between the first and second electrodes, gas stream introducer and a collector for collecting the reaction product effluent produced by the reaction of the gas stream containing hydrocarbons with the plasma discharge between the first and second electrodes.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: December 12, 2000
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Richard G. Mallinson, Lance Lobban, Chang-jun Liu