Patents by Inventor Jung-Jen Chuang

Jung-Jen Chuang 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: 20250215468
    Abstract: A method for converting a carbon source into serine includes: synthesizing a DNA sequence; implanting the DNA sequence into a plasmid, so that the plasmid includes gene sequences of SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3; implanting the plasmid into cyanobacteria through an electroporation treatment, so as to obtain modified cyanobacteria; and providing the carbon source to the modified cyanobacteria, so that the modified cyanobacteria convert the carbon source into the serine.
    Type: Application
    Filed: April 11, 2024
    Publication date: July 3, 2025
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, YI-CHENG LI, Tzu-Huan Wong, Liang-Jung Chien
  • Publication number: 20250215466
    Abstract: A method for producing phosphatidylethanolamine with use of a carbon source includes: cultivating modified cyanobacteria, in which the modified cyanobacteria are cultivated in a liquid medium; undergoing a photo-fermentation process, in which the carbon source is provided to the modified cyanobacteria, so that the modified cyanobacteria convert the carbon source into serine; undergoing a filtration process, in which the liquid medium is filtered for separating the modified cyanobacteria, so as to obtain the filtered liquid medium; synthesizing the phosphatidylethanolamine, in which the filtered liquid medium and the serine are mixed with a lecithin and a phospholipase in a photoreactor, so as to obtain a phosphatidylethanolamine mixture; and undergoing an oil-water separation process, in which the phosphatidylethanolamine mixture is placed in an oil water separator and left to rest for a predetermined period of time, and the phosphatidylethanolamine is obtained from an upper layer of the phosphatidylethanolam
    Type: Application
    Filed: April 11, 2024
    Publication date: July 3, 2025
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, YI-CHENG LI, Tzu-Huan Wong, Liang-Jung Chien
  • Publication number: 20250188443
    Abstract: A method for cultivating cyanobacteria includes: providing the cyanobacteria; subjecting the cyanobacteria to physical mutagenesis, so as to obtain primary mutant cyanobacteria; subjecting the primary mutant cyanobacteria to chemical mutagenesis, so as to obtain secondary mutant cyanobacteria; and subjecting the secondary mutant cyanobacteria to a temperature resistance test and an environment resistance test, so as to obtain target cyanobacteria. A fatality rate of the physical mutagenesis ranges between 50% and 80%, and a fatality rate of the chemical mutagenesis ranges between 40% and 55%.
    Type: Application
    Filed: January 30, 2024
    Publication date: June 12, 2025
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, YI-CHENG LI, Tzu-Huan Wong, Liang-Jung Chien
  • Publication number: 20250154334
    Abstract: The disclosure provides a chemical recycling method for polyester fabrics, which includes the following steps. The polyester fabric is extracted using a composite solvent and filtered to obtain a decolored polyester fabric. The composite solvent contains alcohol ether and phenyl ether, and the decolored polyester fabric contains the composite solvent. Ethylene glycol is then added to the decolored polyester fabric to depolymerize into ethylene terephthalate monomers.
    Type: Application
    Filed: December 5, 2023
    Publication date: May 15, 2025
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Zhang-Jian Huang, Cheng Hsun Chen, Mong-Chen Chang
  • Patent number: 12269077
    Abstract: A disposal method for waste fabric containing polyester and nylon includes: step (a): providing a waste fabric containing polyester and nylon; step (b): performing a first-stage treatment including acid treatment on the material to obtain a first liquid material and a first solid material; step (c): performing a second-stage treatment on the first liquid material to obtain a second liquid material and a second solid material; step (d): performing a third-stage treatment including acid treatment on the first solid material to obtain a third liquid material and a third solid material; step (e): performing a fourth-stage treatment on the third liquid material to obtain a fourth liquid material and a fourth solid material, wherein the acid concentration of the second liquid material is lower than the acid concentration of the first liquid material, and the acid concentration of the fourth liquid material is lower than the acid concentration of the third liquid material.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: April 8, 2025
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Tzu-Huan Wong
  • Patent number: 12270137
    Abstract: A method for decolorizing a polyester fabric is provided, which includes: providing a dyed polyester fabric, in which a material of the dyed polyester fabric contains a dye and a water repellent; providing a composite solvent, in which the composite solvent includes propylene glycol methyl ether (PM) and acetic acid that are mixed together; and performing an extraction process, which includes using the composite solvent to wet the dyed polyester fabric and remove the dye and the water repellent from the material of the polyester fabric by extraction, so as to obtain a reduced polyester fabric.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: April 8, 2025
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Zhang-Jian Huang, Yu-Ti Tseng
  • Patent number: 12258453
    Abstract: A method for improving hue of recycled bis-2-hydroxylethyl terephthalate by using ionic liquids including providing a recycled polyester fabric; using a chemical de-polymerization liquid to chemically de-polymerize the recycled polyester fabric to form a de-polymerization product; mixing the de-polymerization product with water to form an aqueous phase liquid; dispersing an ionic liquid impurity adsorption material into the aqueous phase liquid to adsorb impurities originally present in the recycled polyester fabric.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: March 25, 2025
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Wei-Sheng Cheng, Zhang-Jian Huang, Yu-Ti Tseng
  • Publication number: 20250066968
    Abstract: A method for degumming and decolorizing polyester fabrics is provided. The method includes the following steps. A first polyester fabric attached with a dye and a gum-film or treatment agent is provided. The gum-film or treatment agent in the first polyester fabric is stripped through a combined formulation of an alkaline aqueous solution and a catalyst to obtain a second polyester fabric. Then, the second polyester fabric is decolorized by a combination of a chemical reduction method and a chemical oxidation method to obtain a third polyester fabric.
    Type: Application
    Filed: September 22, 2023
    Publication date: February 27, 2025
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Chung-Chi Su
  • Publication number: 20250065263
    Abstract: A method for extracting carbon dioxide from a flue gas includes a preparing process, an acid removing process, and a purifying and liquefying process. The preparing process is implemented by collecting the flue gas generated by oxygen-enriched combustion of a glass raw material with methane from a glass furnace. The flue gas includes the carbon dioxide, nitrogen, water vapor, oxygen, fluoric acid compounds, and boric acid compounds. The acid removing process is implemented by performing a first acid removing operation. The first acid removing operation is implemented by using a sodium hydroxide aqueous solution to remove the fluoric acid compounds and the boric acid compounds in the flue gas. The purifying and liquefying process is implemented by using a purifying and liquefying unit to extract the flue gas that already undergoes the acid removing process, so as to obtain liquid carbon dioxide having a purity greater than 99%.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 27, 2025
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, YI-CHENG LI, FANG-LING HSU
  • Publication number: 20250051536
    Abstract: A method of recycling polyester fabric includes following steps. A polyester fabric including polyethylene terephthalate and dyes is provided. An extraction process including using ethylene glycol as an extraction solvent, immersing the polyester fabric in the extraction solvent, and extracting under a temperature of 80° C. to 180° C. is performed to remove the dyes from the polyester fabric. A depolymerization process including using a chemical depolymerization solution to depolymerize the polyester fabric treated with the extraction process to obtain a product including BHET is performed. The chemical depolymerization solution is ethylene glycol. A purification process is performed to remove impurities of the product obtained by the depolymerization process and to obtain a purified BHET. A solvent recycling process is performed.
    Type: Application
    Filed: September 14, 2023
    Publication date: February 13, 2025
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Yu Ti Tseng, Zhang-Jian Huang
  • Publication number: 20250034103
    Abstract: A method for isomerizing methyltetrahydrophthalic anhydride includes the following processes. A liquid reactant is provided. Under a condition of injecting nitrogen gas, an alkaline catalyst is added into the liquid reactant for an isomerization reaction, so as to obtain an isomerization product. The liquid reactant includes 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride. Based on a total weight of the isomerization product being 100 wt %, an amount of a methyltetrahydrophthalic anhydride dimer is lower than 1.6 wt %.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 30, 2025
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, CHUNG-YU CHEN, JUNG-TSU WU
  • Publication number: 20250011991
    Abstract: A decolorization method of a polyester fabric, including the following steps, is provided. A first extraction treatment is performed on the polyester fabric using a recycled solvent, so that a first portion of a dye in the polyester fabric moves into the recycled solvent. A first filtering treatment is performed on the recycled solvent and the polyester fabric to obtain a treated polyester fabric. A second extraction treatment is performed on the treated polyester fabric using a fresh solvent, so that a second portion of the dye in the treated polyester fabric moves into the fresh solvent. A second filtering treatment is performed to obtain a decolored polyester fabric and the recycled solvent.
    Type: Application
    Filed: August 8, 2023
    Publication date: January 9, 2025
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Zhang-Jian Huang
  • Patent number: 12180332
    Abstract: A plasticizer and a method for producing the same are provided. The method for producing the plasticizer includes: reacting a reaction mixture at each of a plurality of temperature holding stages in a heating process to form a semi-finished product; and purifying the semi-finished product at each of a plurality of low pressure stages of a decompression process to obtain a plasticizer. A temperature range of the heating process is from 140° C. to 220° C., a pressure range of the decompression process is from 750 Torr to 20 Torr, and the reaction mixture contains dibasic acid (e.g., adipic acid), diol (e.g. 1,4-butanediol), monohydric alcohol (e.g., 2-ethylhexanol), and catalyst (e.g., titanium catalyst).
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: December 31, 2024
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Zhang-Jian Huang, Che-Jung Hsu
  • Publication number: 20240417528
    Abstract: A disposal method for recyclate of the disclosure including: providing recyclable containing polyester; performing a first depolymerization step, including mixing the recyclable and o-BHET for reaction and extrusion depolymerization to at least obtain or produce p-BHET; and performing a second depolymerization step, including mixing the p-BHET and a depolymerization solution for chemically depolymerization to at least obtain or produce m-BHET.
    Type: Application
    Filed: July 25, 2023
    Publication date: December 19, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Zhang-Jian Huang, Mong-Chen Chang
  • Patent number: 12116340
    Abstract: A method for manufacturing methyltetrahydrophthalic anhydride is provided, which includes steps as follows. Maleic anhydride is added into a reactor. Piperylene is added into the reactor, so that the piperylene and the maleic anhydride undergo a first addition reaction. When a conversion rate of the maleic anhydride is more than 25%, the first addition reaction is completed. Isoprene is added into the reactor, so that the isoprene and the maleic anhydride undergo a second addition reaction to obtain a methyltetrahydrophthalic anhydride product. The methyltetrahydrophthalic anhydride product contains 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: October 15, 2024
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Chung-Yu Chen, Jung-Tsu Wu
  • Patent number: 12110365
    Abstract: A method for producing polyphenylene ether amine includes following steps. In step (a), a hydrogenation reaction tank is provided; a guided gas stirrer is disposed in the hydrogenation reaction tank. In step (b), a reaction solution is placed in the hydrogenation reaction tank, and the reaction solution is nitro polyphenylene ether dissolved in a solvent. In step (c), a hydrogenation catalyst is added to the reaction solution. In step (d), a hydrogen gas is introduced into the hydrogenation reaction tank. In step (e), the guided gas stirrer is activated. In step (f), a hydrogenation reaction is carried out on the conditions that a reaction temperature is 50-200 degrees Celsius and a reaction time is 1-20 hours, so as to hydrogenate the nitro polyphenylene ether in the reaction solution to polyphenylene ether amine. In step (g), the reaction solution is cooled down to a room temperature; the hydrogenation catalyst is removed.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: October 8, 2024
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Chia-Ruey Tsai
  • Publication number: 20240166802
    Abstract: A manufacturing method of a polymer includes the following steps. Terephthalic acid, butanediol, adipic acid, and carboxybenzene are used as raw materials to perform an esterification reaction to obtain a reactant. A catalyst is added to the reactant, and a polymerization reaction is performed.
    Type: Application
    Filed: December 22, 2022
    Publication date: May 23, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Tzu-Huan Wong
  • Publication number: 20240158570
    Abstract: A manufacturing method of a polyester for a plastic wrap at least includes the following steps. An aromatic carboxylic acid, an aliphatic carboxylic acid, and an aliphatic alcohol are provided, wherein the aromatic carboxylic acid includes at least two of a phthalic acid, an isophthalic acid, and a terephthalic acid. The aromatic carboxylic acid, the aliphatic carboxylic acid and the aliphatic alcohol are subjected to at least an esterification reaction, a pre-polymerization reaction, and a polymerization reaction in sequence, so as to obtain a polybutylene adipate terephthalate.
    Type: Application
    Filed: December 15, 2022
    Publication date: May 16, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Jung-Jen Chuang, Tzu-Huan Wong
  • Publication number: 20240140900
    Abstract: A method for manufacturing methyltetrahydrophthalic anhydride is provided, which includes steps as follows. Maleic anhydride is added into a reactor. Piperylene is added into the reactor, so that the piperylene and the maleic anhydride undergo a first addition reaction. When a conversion rate of the maleic anhydride is more than 25%, the first addition reaction is completed. Isoprene is added into the reactor, so that the isoprene and the maleic anhydride undergo a second addition reaction to obtain a methyltetrahydrophthalic anhydride product. The methyltetrahydrophthalic anhydride product contains 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride.
    Type: Application
    Filed: December 21, 2022
    Publication date: May 2, 2024
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, CHUNG-YU CHEN, JUNG-TSU WU
  • Publication number: 20240140925
    Abstract: A method for manufacturing a low-viscosity hardener is provided. The method includes the followings steps: providing a hardener crude product; and subjecting the hardener crude product and an alkaline catalyst to an isomerization reaction, so as to obtain the low-viscosity hardener. The hardener crude product contains 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride, and a weight ratio of the 3-methyltetrahydrophthalic anhydride to the 4-methyltetrahydrophthalic anhydride ranges from 7:3 to 3:7. A viscosity of the low-viscosity hardener ranges from 30 cps to 50 cps.
    Type: Application
    Filed: January 11, 2023
    Publication date: May 2, 2024
    Inventors: TE-CHAO LIAO, JUNG-JEN CHUANG, CHUNG-YU CHEN, JUNG-TSU WU