Patents by Inventor DE-YOU JHANG

DE-YOU JHANG 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).

  • Acrylic modified polyester resin and preparation method thereof
    Patent number: 11673986
    Abstract: The present disclosure relates to an acrylic modified polyester resin, and specifically, a modified polyester resin prepared by grafting an acrylic monomer to a polyester prepolymer. The polyester prepolymer is formed from pentaerythritol, a polyol monomer, an organic polycarboxylic acid monomer and a cycloalkanedicarboxylic acid monomer and contains a double bond on its backbone. The present disclosure also relates to a method for preparing the acrylic modified polyester resin.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: June 13, 2023
    Assignee: ETERNAL MATERIALS CO., LTD.
    Inventors: Ping-Rui Chiang, Yen-Chi Hsu, De-You Jhang
  • ACRYLIC MODIFIED POLYESTER RESIN AND PREPARATION METHOD THEREOF
    Publication number: 20210130524
    Abstract: The present disclosure relates to an acrylic modified polyester resin, and specifically, a modified polyester resin prepared by grafting an acrylic monomer to a polyester prepolymer. The polyester prepolymer is formed from pentaerythritol, a polyol monomer, an organic polycarboxylic acid monomer and a cycloalkanedicarboxylic acid monomer and contains a double bond on its backbone. The present disclosure also relates to a method for preparing the acrylic modified polyester resin.
    Type: Application
    Filed: June 23, 2020
    Publication date: May 6, 2021
    Applicant: ETERNAL MATERIALS CO., LTD.
    Inventors: PING-RUI CHIANG, YEN-CHI HSU, DE-YOU JHANG