Patents by Inventor Hu Zhixuan

Hu Zhixuan 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).

  • Polyester resin and industrial yarn process
    Patent number: 6649263
    Abstract: A polyester resin, a method for its preparation, the polyester prepared by the method, a method for manufacturing therefrom at increased productivity a dimensionally stable polyester yarn having a low fray count, and the yarn thereby produced. The polyester resin is prepared from high purity terephthalic acid having a particle size distribution described by a Weibull function with narrow ranges of characteristic size and shape factor. The polyester resin has a low filter-blinding index. The polyester yarn is useful for tires, industrial products and other applications.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: November 18, 2003
    Assignee: Honeywell International Inc.
    Inventors: Thomas Y-T. Tam, Samir Z. Abdalla, James G. Neal, John A. Young, Hong-Jian J. Sha, Hu Zhixuan
  • Polyester resin and industrial yarn process
    Publication number: 20030104203
    Abstract: A polyester resin, a method for its preparation, the polyester prepared by the method, a method for manufacturing therefrom at increased productivity a dimensionally stable polyester yarn having a low fray count, and the yarn thereby produced. The polyester resin is prepared from high purity terephthalic acid having a particle size distribution described by a Weibull function with narrow ranges of characteristic size and shape factor. The polyester resin has a low filter-blinding index. The polyester yarn is useful for tires, industrial products and other applications.
    Type: Application
    Filed: November 16, 2001
    Publication date: June 5, 2003
    Inventors: Thomas Y-T. Tam, Samir Z. Abdalla, James G. Neal, John A. Young, Hong-Jian J. Sha, Hu Zhixuan