Patents by Inventor Hsiao-Chan WANG

Hsiao-Chan WANG 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: 20250101192
    Abstract: The present disclosure provides a moisture permeable waterproof film. The moisture permeable waterproof film includes polyurethane including a hard segment, a first soft segment, and a second soft segment. The first soft segment includes an aromatic polyether-ester group. A modulus of the moisture permeable waterproof film is more than about 50 kgf/cm2, and a moisture permeability of the moisture permeable waterproof film is more than about 30000 g/m2*24 hr. When an amount of the first soft segment is about 1 mole, an amount of the hard segment is equal to or more than about 4.5 moles.
    Type: Application
    Filed: May 7, 2024
    Publication date: March 27, 2025
    Inventors: HSIAO CHAN WANG, CHENG TING WANG
  • Publication number: 20200131308
    Abstract: A method for manufacturing polyester comprises mixing Bis(2-Hydroxyethyl) terephthalate monomer with terephthalic acid to form a mixture, in which the Bis(2-Hydroxyethyl) terephthalate monomer is represented by formula (I) below: esterifying the mixture to form a first polyester mixture; and polymerizing the first polyester mixture to form a second polyester mixture, in which the second polyester mixture has a diethylene glycol concentration of less than 1 wt % but greater than 0.1 wt %, based on the total weight of the second polyester mixture, and a polydispersity index of polyethylene terephthalate in the second polyester mixture is less than 3 but greater than 2.
    Type: Application
    Filed: April 25, 2019
    Publication date: April 30, 2020
    Inventors: Der-Ren HWANG, Cheng-Ting WANG, Hsiao-Chan WANG, Yi-Chen LEE
  • Publication number: 20190382331
    Abstract: A process for preparing bis(2-hydroxyethyl) terephthalate, comprising a step of: subjecting ethylene oxide and terephthalic acid in a molar ratio of from 2.5:1 to 3.5:1 to a reaction at an elevated temperature of up to 150° C. in the presence of a solvent mixture containing water and a diol cosolvent in a weight ratio of from 0.2:1 to 5:1.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 19, 2019
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang
  • Patent number: 10351668
    Abstract: A process for reducing diethylene glycol formation in polyethylene terephthalate includes (a) subjecting a mixture of bis(2-hydroxyethyl)terephthalate with aromatic polycarboxylic acid to an esterification reaction, and (b) subjecting the esterification reaction product to polycondensation.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 16, 2019
    Assignee: Far Eastern New Century Corporation
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang
  • Patent number: 10336680
    Abstract: A process for preparing bis(2-hydroxyethyl) terephthalate, comprising a step of: subjecting ethylene oxide and terephthalic acid in a molar ratio of from 2:1 to 3:1 to a reaction at an elevated temperature in the presence of a solvent mixture containing water and a C6-C8 hydrocarbon in a weight ratio of from 1:1 to 3:1.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: July 2, 2019
    Assignee: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang
  • Publication number: 20190002632
    Abstract: A process for reducing diethylene glycol formation in polyethylene terephthalate includes (a) subjecting a mixture of bis(2-hydroxyethyl)terephthalate with aromatic polycarboxylic acid to an esterification reaction, and (b) subjecting the esterification reaction product to polycondensation.
    Type: Application
    Filed: October 27, 2017
    Publication date: January 3, 2019
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang
  • Publication number: 20190002388
    Abstract: A process for preparing bis(2-hydroxyethyl) terephthalate, comprising a step of: subjecting ethylene oxide and terephthalic acid in a molar ratio of from 2:1 to 3:1 to a reaction at an elevated temperature in the presence of a solvent mixture containing water and a C6-C8 hydrocarbon in a weight ratio of from 1:1 to 3:1.
    Type: Application
    Filed: October 11, 2017
    Publication date: January 3, 2019
    Applicant: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang
  • Patent number: 10017454
    Abstract: The present disclosure provides a method of manufacturing bis(2-hydroxyethyl) cyclohexane-1,4-dicarboxylate (BHCD) and derivatives thereof. The method includes the following steps. A first reactant including bis-hydroxyethyl terephthalate (BHET) is provided. 2-(2-hydroxyethoxy)ethyl 2-hydroxyethyl terephthalate (BHEET) is added to the first reactant including BHET to form a second reactant. The second reactant is hydrogenated.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 10, 2018
    Assignee: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang, Chun-Chieh Chien, Kang-Rui Liu
  • Publication number: 20170342016
    Abstract: The present disclosure provides a method of manufacturing bis(2-hydroxyethyl) cyclohexane-1,4-dicarboxylate (BHCD) and derivatives thereof. The method includes the following steps. A first reactant including bis-hydroxyethyl terephthalate (BHET) is provided. 2-(2-hydroxyethoxy)ethyl 2-hydroxyethyl terephthalate (BHEET) is added to the first reactant including BHET to form a second reactant. The second reactant is hydrogenated.
    Type: Application
    Filed: September 30, 2016
    Publication date: November 30, 2017
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Hsiao-Chan Wang, Chun-Chieh Chien, Kang-Rui Liu
  • Publication number: 20160117032
    Abstract: Disclosed is a touch panel including a substrate with a touch sensing region and a non-touch sensing region, wherein the non-touch sensing region surrounds the touch sensing region. A plurality of sensing electrodes are disposed on the touch sensing region. A plurality of metal traces are disposed on the non-touch sensing region and electrically connected to the sensing electrodes. A passivation layer covers the metal trace, wherein a distance between an edge of the passivation layer and the metal traces is greater than or equal to at least 140 micrometers.
    Type: Application
    Filed: October 19, 2015
    Publication date: April 28, 2016
    Inventors: Chen-Yu LIN, Yu-Heng CHEN, Pei-Chi HSU, Hsiao-Chan WANG, Ping-Hsu CHENG