Patents by Inventor Zhong Xhiang

Zhong Xhiang 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 making polyesters
    Patent number: 7081511
    Abstract: The present invention relates to a process for making a polyester where a dianhydride is reacted with a diol. The resulting polyester can be further reacted with a compound selected from aromatic oxides, aliphatic oxides, alkylene carbonates, alcohols, and mixtures thereof.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 25, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Jianhui Shan, Shuji Sue Ding-Lee, Zhong Xhiang, Eleazor B. Gonzalez, Mark O. Neisser
  • Modified alginic acid of alginic acid derivatives and thermosetting anti-reflective compositions thereof
    Patent number: 7008476
    Abstract: Modified alginic acid or alginic acid derivatives and anti-reflective coatings based on thereon are described.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: March 7, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Zhong Xhiang, Shuji Ding-Lee, Jianhui Shan, Eleazar B. Gonzalez
  • Process for making polyesters
    Publication number: 20050234201
    Abstract: The present invention relates to a process for making a polyester where a dianhydride is reacted with a diol. The resulting polyester can be further reacted with a compound selected from aromatic oxides, aliphatic oxides, alkylene carbonates, alcohols, and mixtures thereof.
    Type: Application
    Filed: April 5, 2004
    Publication date: October 20, 2005
    Inventors: Hengpeng Wu, Jianhui Shan, Shuji Ding-Lee, Zhong Xhiang, Eleazor Gonzalez, Mark Neisser
  • Modified alginic acid of alginic acid derivatives and thermosetting anti-reflective compositions thereof
    Publication number: 20040253532
    Abstract: Modified alginic acid or alginic acid derivatives and anti-reflective coatings based on thereon are described.
    Type: Application
    Filed: June 11, 2003
    Publication date: December 16, 2004
    Inventors: Hengpeng Wu, Zhong Xhiang, Shuji Ding-Lee, Jianhui Shan, Eleazar B. Gonzalez