Patents by Inventor SHU-HUNG HSIEH

SHU-HUNG HSIEH 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).

  • MELAMINE FREE COMPOSITE ADDITIVE FOR POLYOXYMETHYLENE
    Publication number: 20150299427
    Abstract: A melamine free composite additive used in polyoxymethylene is provided. The composite additive includes an amine stabilizer and antioxidant. The composition of the amine stabilizer is 0.01 to 3 parts by weight per 100 parts by weight of the polyoxymethylene. The composition of the antioxidant is 0.05 to 3 parts by weight per 100 parts by weight of the polyoxymethylene. The composite additive enhances the light stability and thermal stability of the polyoxymethylene.
    Type: Application
    Filed: October 1, 2014
    Publication date: October 22, 2015
    Inventors: SHU-HUNG HSIEH, CHEN-KAI CHEN, KUN-CHANG LEE