Patents by Inventor Yinghuai Zhu

Yinghuai Zhu 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).

  • Carborane trianion based catalyst
    Patent number: 7053158
    Abstract: Disclosed is a Ziegler-Natta catalyst for olefin polymerization comprising a metal cation of Group 4 or 14 of the Periodic Table (IUPAC 1976) that is coordinated to a. a carborane dianion group; b. a heteroatom anion, said heteroatom being preferably in the terminal position of a hydrocarbyl bridge comprising at least two carbon atoms, wherein at least one bridging carbon atom may be replaced by Si; and c. a valence group.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: May 30, 2006
    Assignee: Agency for Science, Technology and Research
    Inventor: Yinghuai Zhu
  • Carborane trianion based catalyst
    Publication number: 20050065299
    Abstract: Disclosed is a Ziegler-Natta catalyst for olefin polymerization comprising a metal cation of Group 4 or 14 of the Periodic Table (IUPAC 1976) that is coordinated to a. a carborane dianion group; b. a heteroatom anion, said heteroatom being preferably in the terminal position of a hydrocarbyl bridge comprising at least two carbon atoms, wherein at least one bridging carbon atom may be replaced by Si; and c. a valence group.
    Type: Application
    Filed: September 22, 2003
    Publication date: March 24, 2005
    Inventor: Yinghuai Zhu