Patents by Inventor Ying-Hsi Chang

Ying-Hsi Chang 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).

  • Method for refining oil
    Patent number: 9228133
    Abstract: A method for refining oil includes contacting an oil with hydrogen to perform a hydrodeoxygenation reaction using iron oxide as a catalyst. The iron oxide comprises ferrous oxide (FeO), ferrum dioxide (FeO2), ferric oxide (Fe2O3), ferroferric oxide (Fe3O4), or combinations thereof.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: January 5, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chiung-Fang Liu, Ching-I Juch, Chih-Hao Chen, Chih-Ching Chen, Ju-Shiou Chen, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee
  • Method for liquefying biomass
    Patent number: 9127402
    Abstract: The disclosure provides a method for liquefying biomass, including: (a) mixing a solid organic ammonium salt containing single nitrogen with at least one organic compound which is capable of forming a hydrogen bond with the solid organic ammonium salt to form a first mixture; (b) heating the first mixture until the first mixture becomes a solution; (c) mixing a biomass and an acid catalyst with the solution to form a second mixture; and (d) heating the second mixture to make the biomass therein convert into a liquefied product.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: September 8, 2015
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ruey-Fu Shih, Hom-Ti Lee, Hou-Peng Wan, Ying-Hsi Chang, Jia-Yuan Chen
  • Method for preparing phenolic compounds
    Patent number: 8648218
    Abstract: In an embodiment of the disclosure, a method for preparing a phenolic compound is provided. The method includes providing a lignin depolymerization product, and hydrogenating the lignin depolymerization product under iron oxide and hydrogen gas to prepare a phenolic compound. The prepared phenolic compound is a crude phenolic composition including phenol, methylphenol, dimethylphenol or a combination thereof.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: February 11, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chiung-Fang Liu, Chih-Ching Chen, Chih-Hao Chen, Pei-Jung Yu, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee
  • METHOD FOR LIQUEFYING BIOMASS
    Publication number: 20130139812
    Abstract: The disclosure provides a method for liquefying biomass, including: (a) mixing a solid organic ammonium salt containing single nitrogen with at least one organic compound which is capable of forming a hydrogen bond with the solid organic ammonium salt to form a first mixture; (b) heating the first mixture until the first mixture becomes a solution; (c) mixing a biomass and an acid catalyst with the solution to form a second mixture; and (d) heating the second mixture to make the biomass therein convert into a liquefied product.
    Type: Application
    Filed: June 14, 2012
    Publication date: June 6, 2013
    Inventors: Ruey-Fu SHIH, Hom-Ti Lee, Hou-Peng WAN, Ying-Hsi CHANG, Jia-Yuan CHEN
  • METHOD FOR REFINING OIL
    Publication number: 20120215044
    Abstract: In one embodiment of the disclosure, a method for refining oil is provided. The method includes contacting an oil with hydrogen to perform a hydrodeoxygenation reaction using iron oxide as a catalyst, wherein the iron oxide comprises ferrous oxide (FeO), ferrum dioxide (FeO2), ferric oxide (Fe2O3), ferroferric oxide (Fe3O4), or combinations thereof.
    Type: Application
    Filed: April 27, 2012
    Publication date: August 23, 2012
    Inventors: Chiung-Fang Liu, Ching-I Juch, Chih-Hao Chen, Chih-Ching Chen, Ju-Chiou Chen, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee