Patents by Inventor Hom-Ti Lee

Hom-Ti Lee 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: 10308991
    Abstract: A method of separating a saccharide from an aqueous product solution of the cellulose hydrolysis process is provided. The aqueous product solution comprises a saccharide and a cellulose swelling agent. The cellulose swelling agent is zinc chloride, magnesium chloride or a combination thereof. The method comprises the following steps in the given order: (a) adding a first tertiary amine and an optional first organic solvent to the aqueous product solution to provide a mixture; (b) performing a solid-liquid separation to obtain a solution from the mixture; and (c) performing a liquid-liquid extraction by adding a second tertiary amine and a second organic solvent to the solution, and then removing the organic phase and collecting the aqueous phase, wherein the first tertiary amine and the second tertiary amine are the same or different, and the first organic solvent and the second organic solvent are the same or different.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 4, 2019
    Assignee: GREEN CELLULOSITY CORPORATION
    Inventors: Ruey-Fu Shih, Cheng-Hao Liu, Chiang-Hsiung Tong, Hom-Ti Lee
  • Publication number: 20170356061
    Abstract: A method of separating a saccharide from an aqueous product solution of the cellulose hydrolysis process is provided. The aqueous product solution comprises a saccharide and a cellulose swelling agent. The cellulose swelling agent is zinc chloride, magnesium chloride or a combination thereof. The method comprises the following steps in the given order: (a) adding a first tertiary amine and an optional first organic solvent to the aqueous product solution to provide a mixture; (b) performing a solid-liquid separation to obtain a solution from the mixture; and (c) performing a liquid-liquid extraction by adding a second tertiary amine and a second organic solvent to the solution, and then removing the organic phase and collecting the aqueous phase, wherein the first tertiary amine and the second tertiary amine are the same or different, and the first organic solvent and the second organic solvent are the same or different.
    Type: Application
    Filed: December 28, 2016
    Publication date: December 14, 2017
    Inventors: Ruey-Fu SHIH, Cheng-Hao LIU, Chiang-Hsiung TONG, Hom-Ti LEE
  • Patent number: 9822420
    Abstract: Disclosed is a method of separating carbohydrate, including: mixing formic acid with heteropoly acid, chloride or bromide of lithium, magnesium, calcium, zinc, or iron, or combinations thereof to form a mixing liquid. The method also includes dissolving a cellulose biomass by the mixing liquid to form a solution, mixing water and the solution to hydrolyze the cellulose biomass for forming a carbohydrate solution, and mixing an extractant and the carbohydrate solution to extract the formic acid out of the carbohydrate solution. The heteropoly acid, the chloride or bromide of lithium, magnesium, calcium, zinc, or iron, or combinations thereof in the carbohydrate solution is separated out of the carbohydrate solution by ion exclusion chromatography separation to obtain a carbohydrate.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: November 21, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tzu-Yueh Yang, Ruey-Fu Shih, Chih-Hao Chen, Hou-Peng Wan, Hom-Ti Lee
  • Patent number: 9695484
    Abstract: In an embodiment of the present disclosure, a sugar product and method for fabricating the same is provided. The method includes mixing an acid compound and lithium chloride, magnesium chloride, calcium chloride, zinc chloride or iron chloride or lithium bromide, magnesium bromide, calcium bromide, zinc bromide or iron bromide or heteropoly acid to form a mixing solution, adding a cellulosic biomass to the mixing solution for a dissolution reaction, and adding water to the mixing solution for a hydrolysis reaction to obtain a sugar product. The present disclosure also provides a sugar product fabricated from the method.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: July 4, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ruey-Fu Shih, Jia-Yuan Chen, Hui-Tsung Lin, Hom-Ti Lee, Hou-Peng Wan, Wei-Chun Hung
  • Patent number: 9371548
    Abstract: The present disclosure is directed to methods for producing butyric acid comprising fermenting a feedstock using a bacterium. The feedstock comprises lactic acid, or the feedstock comprises lactic acid and at least one carbohydrate.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: June 21, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yun-Huin Lin, Hom-Ti Lee, Hsiu-Yin Yin, Sz-Chwun John Hwang
  • Patent number: 9254455
    Abstract: Embodiments of the disclosure provide a filter structure. A second porous film having a plurality of second holes is disposed on a first porous film having a plurality of first holes. The second holes are smaller than the first holes. The filter structure is dried by an easy and power-saving method such as compression.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: February 9, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Der Bai, Te-Chang Lan, Kuo-Ti Chen, Hom-Ti Lee, Yun-Huin Lin
  • Patent number: 9242191
    Abstract: A filtration dehydration apparatus, which comprises: a filter, composed of a filtration layer and an absorption layer while allowing the filtration layer that is orientated facing toward the absorption layer to be a first side, and allowing a surface of the absorption layer that is orientated facing toward the filtration layer to be a second side; a supporting structure, for supporting and fixedly securing the filter; a solid waste collector, for collecting solid object left on the first side; and an extrusion unit, for pressing the absorption layer to squeeze out water in the absorption layer; wherein the first side is provided for a solid-liquid mixture to be placed thereon so as to allow the liquid containing in the solid-liquid mixture to flow into the absorption layer through the filtration layer while enabling solid objects in the solid-liquid mixture to be filtered out and thus left on the first side.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: January 26, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ming-Der Bai, Kuo-Ti Chen, Te-Chang Lan, Yun-Huin Lin, Wen-Chang Lu, Hom-Ti Lee
  • Publication number: 20160010120
    Abstract: A method of preparing butanol from a butyric acid-containing aqueous fermentation broth is disclosed, wherein the butyric acid-containing aqueous fermentation broth is obtained from the fermentation of a substrate with the use of a microorganism.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 14, 2016
    Inventors: CHIANG-HSIUNG TONG, RUEY-FU SHIH, YUN-HUIN LIN, HOM-TI LEE
  • 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
  • Patent number: 9150937
    Abstract: In an embodiment of the present disclosure, a method for preparing a sugar is provided. The method includes mixing an organic acid and a solid acid catalyst to form a mixing solution, adding a cellulosic biomass to the mixing solution to proceed to a dissolution reaction, and adding water to the mixing solution to proceed to a hydrolysis reaction to obtain a sugar.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: October 6, 2015
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Chun Hung, Ruey-Fu Shih, Jia-Yuan Chen, Hui-Tsung Lin, Hom-Ti Lee, Hou-Peng Wan
  • 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
  • Publication number: 20140346127
    Abstract: Embodiments of the disclosure provide a filter structure. A second porous film having a plurality of second holes is disposed on a first porous film having a plurality of first holes. The second holes are smaller than the first holes. The filter structure is dried by an easy and power-saving method such as compression.
    Type: Application
    Filed: August 7, 2014
    Publication date: November 27, 2014
    Inventors: MING-DER BAI, TE-CHANG LAN, KUO-TI CHEN, HOM-TI LEE, YUN-HUIN LIN
  • Publication number: 20140261397
    Abstract: Disclosed is a method of separating carbohydrate, including: mixing formic acid with heteropoly acid, chloride or bromide of lithium, magnesium, calcium, zinc, or iron, or combinations thereof to form a mixing liquid. The method also includes dissolving a cellulose biomass by the mixing liquid to form a solution, mixing water and the solution to hydrolyze the cellulose biomass for forming a carbohydrate solution, and mixing an extractant and the carbohydrate solution to extract the formic acid out of the carbohydrate solution. The heteropoly acid, the chloride or bromide of lithium, magnesium, calcium, zinc, or iron, or combinations thereof in the carbohydrate solution is separated out of the carbohydrate solution by ion exclusion chromatography separation to obtain a carbohydrate.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tzu-Yueh YANG, Ruey-Fu SHIH, Chih-Hao CHEN, Hou-Peng WAN, Hom-Ti LEE
  • Patent number: 8828318
    Abstract: A high pressure extraction apparatus and extracting method therefor are adapted to maintain a medium at the supercritical state to extract substance-to-be-extracted. The apparatus includes an extraction tank, a piston and a control unit. The control unit controls the piston to reciprocate in the extraction tank as well as controls the pressure of the extract space of the tank, feeding of the substance, discharge of extract, and discharge of leftover. Accordingly, the apparatus performs a continuous supercritical extraction.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: September 9, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Tz-Bang Du, Chyuan Juang, Long-Shuenn Jean, Chen-Hsi Cheng, Hom-Ti Lee, Hsien-Chueh Pi
  • Publication number: 20140216442
    Abstract: In an embodiment of the present disclosure, a method for preparing a sugar is provided. The method includes mixing an organic acid and a solid acid catalyst to form a mixing solution, adding a cellulosic biomass to the mixing solution to proceed to a dissolution reaction, and adding water to the mixing solution to proceed to a hydrolysis reaction to obtain a sugar.
    Type: Application
    Filed: January 9, 2014
    Publication date: August 7, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Chun HUNG, Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN
  • Patent number: 8709795
    Abstract: A light transformation particle is provided. The light transformation particle of the invention includes a light-shifting layer containing at least one light-emitting material, wherein the light-emitting layer transforms ultraviolet light, yellow-green light, or infrared light to red-orange light or blue-violet light. The light transformation particle further includes a core layer and/or a shell layer. The present invention further provides a photobioreactor containing the light transformation particle of the invention.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: April 29, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Chang Lu, Chung-Cheng Han, Yun-Huin Lin, Hom-Ti Lee
  • Publication number: 20140106421
    Abstract: Carboxylic acids and/or alcohols are produced by a fermentation process comprising: growing an immobilized microorganism capable of producing carboxylic acids and/or alcohols in an aqueous medium and in the presence of an organic medium, and recovering the carboxylic acids and/or alcohols from the organic medium; wherein a mesh is placed at an interface of the organic medium and the aqueous medium; and further wherein the organic medium comprises at least one organic solvent and at least one extractant chosen from tri-alkylphosphine oxides and tri-alkylamines.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 17, 2014
    Inventors: Hsiu-Yin YIN, Yun-Huin LIN, Chih-Fen Lu, Ying-Ching Su, Jheng-Jin Luo, Hom-Ti Lee
  • Publication number: 20140090641
    Abstract: In an embodiment of the present disclosure, a method for fabricating a sugar product is provided. The method includes mixing formic acid and lithium chloride, magnesium chloride, calcium chloride, zinc chloride or iron chloride or lithium bromide, magnesium bromide, calcium bromide, zinc bromide or iron bromide or heteropoly acid to form a mixing solution, adding a cellulosic biomass to the mixing solution for a dissolution reaction, and adding water to the mixing solution for a hydrolysis reaction to obtain a sugar product. The present disclosure also provides a sugar product fabricated from the method.
    Type: Application
    Filed: August 22, 2013
    Publication date: April 3, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN, Wei-Chun HUNG
  • Publication number: 20140090640
    Abstract: In an embodiment of the present disclosure, a sugar product and method for fabricating the same is provided. The method includes mixing an acid compound and lithium chloride, magnesium chloride, calcium chloride, zinc chloride or iron chloride or lithium bromide, magnesium bromide, calcium bromide, zinc bromide or iron bromide or heteropoly acid to form a mixing solution, adding a cellulosic biomass to the mixing solution for a dissolution reaction, and adding water to the mixing solution for a hydrolysis reaction to obtain a sugar product. The present disclosure also provides a sugar product fabricated from the method.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN, Wei-Chun HUNG
  • 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