Patents by Inventor Pin-Yang Yu

Pin-Yang Yu 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).

  • Patent number: 6759461
    Abstract: A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl diphosphite.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: July 6, 2004
    Assignee: Chung-Shan Institute of Science & Technology
    Inventors: Tseng-Rong Wu, Pin-Yang Yu, Yi-Chin Lin, Te-Chuan Chang
  • Publication number: 20040014852
    Abstract: A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl diphosphite.
    Type: Application
    Filed: July 17, 2002
    Publication date: January 22, 2004
    Applicant: Chung-Shan Institute of Science & Technology
    Inventors: Tseng-Rong Wu, Pin-Yang Yu, Yi-Chin Lin, Te-Chuan Chang