Patents by Inventor Perry Dong-Bi Shiueh

Perry Dong-Bi Shiueh 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).

  • Process for producing a styrenic resin composition
    Patent number: 6784226
    Abstract: A process for producing a styrenic resin composition includes the step of compounding a styrenic resin with greater than 2 wt % water and an antioxidant which is prepared by blending (a) 20 to 99.9 wt % of organic phosphite or phosphonite with (b) 0.1 to 80 wt % of acid-binding metal salt treated with a surface conditioning agent, prior to compounding with the styrenic resin.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: August 31, 2004
    Assignee: Chi Mei Corporation
    Inventors: Wen-Yi Su, Perry Dong-Bi Shiueh
  • Process for producing a styrenic resin composition
    Publication number: 20030114559
    Abstract: A process for producing a styrenic resin composition includes the step of compounding a styrenic resin with greater than 2 wt % water and an antioxidant which is prepared by blending (a) 20 to 99.9 wt % of organic phosphite or phosphonite with (b) 0.1 to 80 wt % of acid-binding metal salt treated with a surface conditioning agent, prior to compounding with the styrenic resin.
    Type: Application
    Filed: September 20, 2002
    Publication date: June 19, 2003
    Applicant: CHI MEI CORPORATION
    Inventors: Wen-Yi Su, Perry Dong-Bi Shiueh