Patents by Inventor Yih-Jiang LAI

Yih-Jiang LAI 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 producing di(2-ethylyhexyl) terephthalate
    Patent number: 9090557
    Abstract: Disclosed is a method for producing di(2-ethylhexyl)terephthalate (DOTP), which comprises subjecting terephthalic acid and 2-ethylhexanol to esterification in the presence of a chelate catalyst. The method of the present invention increases the reaction rate, improves the filtration efficiency of the ester product and yields DOTP with low APHA.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: July 28, 2015
    Assignee: Chang Chun Plastics Co., Ltd.
    Inventors: Chung-Chi Yang, Yung-Shang Lin, Jing-Ping Wang, Shaw-Ming Du, Yih-Jiang Lai
  • METHOD FOR PRODUCING DI(2-ETHYLYHEXYL) TEREPHTHALATE
    Publication number: 20140288325
    Abstract: Disclosed is a method for producing di(2-ethylhexyl)terephthalate (DOTP), which comprises subjecting terephthalic acid and 2-ethylhexanol to esterification in the presence of a chelate catalyst. The method of the present invention increases the reaction rate, improves the filtration efficiency of the ester product and yields DOTP with low APHA.
    Type: Application
    Filed: January 7, 2014
    Publication date: September 25, 2014
    Applicant: Chang Chun Plastics Co., Ltd
    Inventors: Chung-Chi YANG, Yung-Shang LIN, Jing-Ping WANG, Shaw-Ming DU, Yih-Jiang LAI