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).
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Patent number: 10308991Abstract: 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: GrantFiled: December 28, 2016Date of Patent: June 4, 2019Assignee: GREEN CELLULOSITY CORPORATIONInventors: Ruey-Fu Shih, Cheng-Hao Liu, Chiang-Hsiung Tong, Hom-Ti Lee
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Publication number: 20170356061Abstract: 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: ApplicationFiled: December 28, 2016Publication date: December 14, 2017Inventors: Ruey-Fu SHIH, Cheng-Hao LIU, Chiang-Hsiung TONG, Hom-Ti LEE
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Patent number: 9822420Abstract: 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: GrantFiled: March 6, 2014Date of Patent: November 21, 2017Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Tzu-Yueh Yang, Ruey-Fu Shih, Chih-Hao Chen, Hou-Peng Wan, Hom-Ti Lee
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Patent number: 9695484Abstract: 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: GrantFiled: September 27, 2013Date of Patent: July 4, 2017Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ruey-Fu Shih, Jia-Yuan Chen, Hui-Tsung Lin, Hom-Ti Lee, Hou-Peng Wan, Wei-Chun Hung
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Patent number: 9371548Abstract: 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: GrantFiled: April 9, 2012Date of Patent: June 21, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yun-Huin Lin, Hom-Ti Lee, Hsiu-Yin Yin, Sz-Chwun John Hwang
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Patent number: 9254455Abstract: 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: GrantFiled: August 7, 2014Date of Patent: February 9, 2016Assignee: Industrial Technology Research InstituteInventors: Ming-Der Bai, Te-Chang Lan, Kuo-Ti Chen, Hom-Ti Lee, Yun-Huin Lin
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Patent number: 9242191Abstract: 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: GrantFiled: December 11, 2012Date of Patent: January 26, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ming-Der Bai, Kuo-Ti Chen, Te-Chang Lan, Yun-Huin Lin, Wen-Chang Lu, Hom-Ti Lee
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Publication number: 20160010120Abstract: 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: ApplicationFiled: July 8, 2015Publication date: January 14, 2016Inventors: CHIANG-HSIUNG TONG, RUEY-FU SHIH, YUN-HUIN LIN, HOM-TI LEE
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Patent number: 9228133Abstract: 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: GrantFiled: April 27, 2012Date of Patent: January 5, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chiung-Fang Liu, Ching-I Juch, Chih-Hao Chen, Chih-Ching Chen, Ju-Shiou Chen, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee
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Patent number: 9150937Abstract: 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: GrantFiled: January 9, 2014Date of Patent: October 6, 2015Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Chun Hung, Ruey-Fu Shih, Jia-Yuan Chen, Hui-Tsung Lin, Hom-Ti Lee, Hou-Peng Wan
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Patent number: 9127402Abstract: 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: GrantFiled: June 14, 2012Date of Patent: September 8, 2015Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ruey-Fu Shih, Hom-Ti Lee, Hou-Peng Wan, Ying-Hsi Chang, Jia-Yuan Chen
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Publication number: 20140346127Abstract: 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: ApplicationFiled: August 7, 2014Publication date: November 27, 2014Inventors: MING-DER BAI, TE-CHANG LAN, KUO-TI CHEN, HOM-TI LEE, YUN-HUIN LIN
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Publication number: 20140261397Abstract: 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: ApplicationFiled: March 6, 2014Publication date: September 18, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Tzu-Yueh YANG, Ruey-Fu SHIH, Chih-Hao CHEN, Hou-Peng WAN, Hom-Ti LEE
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Patent number: 8828318Abstract: 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: GrantFiled: August 24, 2011Date of Patent: September 9, 2014Assignee: Industrial Technology Research InstituteInventors: Tz-Bang Du, Chyuan Juang, Long-Shuenn Jean, Chen-Hsi Cheng, Hom-Ti Lee, Hsien-Chueh Pi
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Publication number: 20140216442Abstract: 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: ApplicationFiled: January 9, 2014Publication date: August 7, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Chun HUNG, Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN
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Patent number: 8709795Abstract: 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: GrantFiled: February 4, 2010Date of Patent: April 29, 2014Assignee: Industrial Technology Research InstituteInventors: Wen-Chang Lu, Chung-Cheng Han, Yun-Huin Lin, Hom-Ti Lee
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Publication number: 20140106421Abstract: 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: ApplicationFiled: October 15, 2013Publication date: April 17, 2014Inventors: Hsiu-Yin YIN, Yun-Huin LIN, Chih-Fen Lu, Ying-Ching Su, Jheng-Jin Luo, Hom-Ti Lee
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Publication number: 20140090641Abstract: 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: ApplicationFiled: August 22, 2013Publication date: April 3, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN, Wei-Chun HUNG
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Publication number: 20140090640Abstract: 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: ApplicationFiled: September 27, 2013Publication date: April 3, 2014Applicant: Industrial Technology Research InstituteInventors: Ruey-Fu SHIH, Jia-Yuan CHEN, Hui-Tsung LIN, Hom-Ti LEE, Hou-Peng WAN, Wei-Chun HUNG
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Patent number: 8648218Abstract: 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: GrantFiled: November 21, 2012Date of Patent: February 11, 2014Assignee: Industrial Technology Research InstituteInventors: Chiung-Fang Liu, Chih-Ching Chen, Chih-Hao Chen, Pei-Jung Yu, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee