Patents by Inventor Yu-Wen Chiao

Yu-Wen Chiao 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).

  • Method for processing polyalkylene benzenedicarboxylate material
    Patent number: 11952467
    Abstract: A method for processing a polyalkylene benzenedicarboxylate material includes subjecting a polyalkylene benzenedicarboxylate material to an immersion treatment with an immersion liquid including ethylene glycol, so as to obtain an immersed polyester material, and subjecting the immersed polyester material to a disintegration treatment to obtain a disintegrated polyester material. The immersed polyester material has crystallinity higher than that of the polyalkylene benzenedicarboxylate material.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: April 9, 2024
    Assignee: National Taiwan University
    Inventors: Chia-Wen Wu, Wei-Sheng Liao, Yu-Wen Chiao
  • METHOD FOR PROCESSING POLYALKYLENE BENZENEDICARBOXYLATE MATERIAL
    Publication number: 20220251325
    Abstract: A method for processing a polyalkylene benzenedicarboxylate material includes subjecting a polyalkylene benzenedicarboxylate material to an immersion treatment with an immersion liquid including ethylene glycol, so as to obtain an immersed polyester material, and subjecting the immersed polyester material to a disintegration treatment to obtain a disintegrated polyester material. The immersed polyester material has crystallinity higher than that of the polyalkylene benzenedicarboxylate material.
    Type: Application
    Filed: February 8, 2022
    Publication date: August 11, 2022
    Applicant: National Taiwan University
    Inventors: Chia-Wen Wu, Wei-Sheng Liao, Yu-Wen Chiao