Patents by Inventor Kuang Hui Fan

Kuang Hui Fan 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 improved the handling heat-resistance of the ethylene-vinyl alcohol copolymer
    Patent number: 7186775
    Abstract: The present invention relates to a method for increasing the heat-resistant of ethylene-vinyl alcohol copolymer (EVOH), the method is characterized by using a mixture of acetic acid, magnesium dihydrogen phosphate, and potassium dihydrogen phosphate at a certain ratio as an acid-treating solution in the acid-treating procedure of a process for preparing EVOH. The EVOH produced by the method of the present invention exhibits an excellent heat-resistance and does not become yellowing attributed to the elevated processing temperature. Also, the EVOH generated by the method of the present invention exhibits a uniform heat-resistance since the additives are dispersed evenly in the EVOH.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 6, 2007
    Assignee: Chang Chun Petrochemical Co., Ltd.
    Inventors: Jing Jin Tsai, Li Shing Lin, Huan Ming Chang, Kuang Hui Fan, Weng Shing Lin