Patents by Inventor Yueh-Shin Liu

Yueh-Shin 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).

  • Publication number: 20240158631
    Abstract: The invention provides a high strength flame-retardant polyester material, which includes a PET resin, a nucleating agent, a flame retardant, an antioxidant, a rod-shaped filling and reinforcing material and a compatibilizer. The PET resin includes virgin pellets or environmentally-friendly recycled pellets, which can meet the demand for the introduction of recycled materials.
    Type: Application
    Filed: December 20, 2022
    Publication date: May 16, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
  • Patent number: 11968980
    Abstract: An antibacterial and antifungal polyester material is provided, which includes a polyester resin substrate material and a plurality of functional polyester master-batches. The functional polyester master-batches are dispersed in the polyester resin substrate material. Each of the functional polyester master-batches includes a polyester resin matrix material and an antibacterial and antifungal additive. The antibacterial and antifungal additive includes a plurality of glass beads. The glass beads are dispersed in the polyester resin matrix material, and a plurality of silver nanoparticles are distributed on an outer surface of each of the glass beads.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 30, 2024
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Yueh-Shin Liu
  • Publication number: 20240124707
    Abstract: The disclosure provides a polyester composite board structure and a manufacturing method thereof. The manufacturing method includes extruding a polyester layer into a board using a multi-layer extrusion equipment, and laminating a polyester film by heat using a wheel during an extrusion process.
    Type: Application
    Filed: November 24, 2022
    Publication date: April 18, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
  • Publication number: 20240010831
    Abstract: The disclosure provides a bottle cap composition and a bottle cap. The bottle cap composition includes polyethylene terephthalate (PET), a soft polyester material, a lubricant, and an antioxidant.
    Type: Application
    Filed: September 7, 2022
    Publication date: January 11, 2024
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Yueh-Shin Liu
  • Publication number: 20230323109
    Abstract: The disclosure provides a wear-resistant polyester material, which includes a polyethylene terephthalate (PET) resin, a nucleating agent, a lubricant, and an antioxidant.
    Type: Application
    Filed: September 21, 2022
    Publication date: October 12, 2023
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
  • Publication number: 20230203241
    Abstract: The invention provides an impact-resistant and flame-retardant polyester material, which includes a PET resin, a nucleating agent, a flame retardant, an antioxidant, a rod-shaped filling and reinforcing material and a compatibilizer. The PET resin includes virgin pellets or environmental-friendly recycled pellets, which can meet the demand for the introduction of recycled materials.
    Type: Application
    Filed: April 18, 2022
    Publication date: June 29, 2023
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
  • Publication number: 20230122030
    Abstract: Provided is a polyester composition having the following physical properties. When the polyester composition is formed into a film with a thickness of 3.2 mm, the film has a light transmittance of greater than 90% in a visible spectrum in a thickness direction, and the film has an impact strength of greater than 3.50 kJ/m at ?20° C.
    Type: Application
    Filed: November 17, 2021
    Publication date: April 20, 2023
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Yueh-Shin Liu, Chuanjyun Wang
  • Patent number: 11613622
    Abstract: A method for forming polyester material from recycled film including the following steps is provided: performing a film surface treatment on the recycled film to form a recycled material including polyester; fragmenting the recycled material to form a recycled chipped material, wherein the recycled chipped material has a first intrinsic viscosity; and forming the polyester material by the recycled chipped material, wherein the polyester material has a second intrinsic viscosity, and the second intrinsic viscosity is greater than the first intrinsic viscosity.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: March 28, 2023
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
  • Publication number: 20230088091
    Abstract: A conductive polyester laminated structure and a conductive packaging material are provided. The conductive polyester laminated structure includes a main structure supporting layer and two conductive layers. Each of the conductive layers is formed of a conductive polyester composition. The conductive polyester composition includes a polyester base material and a conductive reinforcing material. The conductive reinforcing material includes multiple carbon nanotubes, and the carbon nanotubes are dispersed in the polyester base material. In each carbon nanotube, a length of the carbon nanotube is defined as L, a diameter of the carbon nanotube is defined as D and is between 1 nanometer and 30 nanometers, and an L/D value of the carbon nanotube is between 300 and 2,000. The carbon nanotubes are in contact with each other to form multiple contact points, so that the conductive polyester composition has a surface impedance of not greater than 107 ?/sq.
    Type: Application
    Filed: June 29, 2022
    Publication date: March 23, 2023
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20230088098
    Abstract: A conductive polyester composition is provided, which includes a polyester base material and a conductive reinforcing material. The conductive reinforcing material includes a plurality of carbon nanotubes, and the plurality of carbon nanotubes are dispersed in the polyester base material. In each of the carbon nanotubes, a length of the carbon nanotube is defined as L, a diameter of the carbon nanotube is defined as D and is between 1 nanometer and 30 nanometers, and an L/D value of the carbon nanotube is between 300 and 2,000. The plurality of carbon nanotubes are in contact with each other to form a plurality of contact points, so that the conductive polyester composition has a surface impedance of not greater than 107 ?/sq.
    Type: Application
    Filed: June 20, 2022
    Publication date: March 23, 2023
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20230002610
    Abstract: An impact-resistant polyester material is provided, which includes a polyester resin matrix material, a toughening agent and a compatibilizing agent. The toughening agent and the compatibilizing agent are dispersed in the polyester resin matrix material. The toughening agent is a polyolefin elastomer (POE). The compatibilizing agent is configured to assist in improving compatibility between the toughening agent and the polyester resin matrix material. The compatibilizing agent is at least one of a polyolefin elastomer grafted with glycidyl methacrylate (POE-g-GMA) and a polyolefin elastomer grafted with maleic anhydride (POE-g-MAH). The compatibilizing agent is configured to assist the toughening agent to be dispersed into the polyester resin matrix material with a particle size between 0.5 micrometers and 1.5 micrometers, so that the impact-resistant polyester material has an impact strength of not less than 20 kg-cm/cm.
    Type: Application
    Filed: April 11, 2022
    Publication date: January 5, 2023
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20230000083
    Abstract: An antibacterial and antifungal polyester laminated structure is provided, and includes a main structure support layer and an antibacterial and antifungal functional layer. The main structure support layer is formed of a polyester material, and the main structure support layer enables the polyester laminated structure to have an impact-resistant strength of not less than 20 kg-cm/cm. The antibacterial and antifungal functional layer is formed of an antibacterial and antifungal polyester material, and the antibacterial and antifungal polyester material includes an antibacterial and antifungal additive. The antibacterial and antifungal additive includes a plurality of glass beads that are dispersed in the antibacterial and antifungal functional layer. A plurality of silver nanoparticles are distributed on an outer surface of each of the glass beads, and the antibacterial and antifungal additive enables the antibacterial and antifungal functional layer to have antibacterial and antifungal capabilities.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 5, 2023
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20230000084
    Abstract: An antibacterial and antifungal polyester material is provided, which includes a polyester resin substrate material and a plurality of functional polyester master-batches. The functional polyester master-batches are dispersed in the polyester resin substrate material. Each of the functional polyester master-batches includes a polyester resin matrix material and an antibacterial and antifungal additive. The antibacterial and antifungal additive includes a plurality of glass beads. The glass beads are dispersed in the polyester resin matrix material, and a plurality of silver nanoparticles are distributed on an outer surface of each of the glass beads.
    Type: Application
    Filed: February 15, 2022
    Publication date: January 5, 2023
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20220363890
    Abstract: A polyester resin composition for injection molding, a method for manufacturing the same, and an injection molded product using the same are provided. An inherent viscosity (IV) of the polyester resin composition is between 0.5 dL/g and 0.85 dL/g. The polyester resin composition, based on a total weight thereof being 100 wt %, includes: 50 wt % to 80 wt % of virgin polyester chips and 20 wt % to 50 wt % of modified recycled polyester chips. The modified recycled polyester chips include 65 wt % to 72 wt % of terephthalic acid, 28 wt % to 31 wt % of ethylene glycol, and 0.1 wt % to 5 wt % of isophthalic acid.
    Type: Application
    Filed: October 18, 2021
    Publication date: November 17, 2022
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, Yueh-Shin Liu
  • Publication number: 20220348735
    Abstract: A method for forming polyester material from recycled film including the following steps is provided: performing a film surface treatment on the recycled film to form a recycled material including polyester; fragmenting the recycled material to form a recycled chipped material, wherein the recycled chipped material has a first intrinsic viscosity; and forming the polyester material by the recycled chipped material, wherein the polyester material has a second intrinsic viscosity, and the second intrinsic viscosity is greater than the first intrinsic viscosity.
    Type: Application
    Filed: June 23, 2021
    Publication date: November 3, 2022
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu