Patents by Inventor Jia-Fu Pan

Jia-Fu Pan 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: 6894172
    Abstract: Chiral chelating agents and chiral catalysts, which are formed from the chiral chelating agents and metal, are described. One chiral chelating agent has a general formula (1) as illustrated below: wherein R represents H, methyl, ethyl, a primary, secondary or tertiary straight, branched or cyclic alkyl group having 3-7 carbon atoms, a heterocyclic or aromatic group, an aromatic group substituted at the 2-, 3- or 4-position, an aromatic-like group, or a naphthyl or naphthyl-derived group, and n is an integer between 0 and 4.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: May 17, 2005
    Assignee: National Taiwan Normal University
    Inventors: Kwunmin Chen, Kung-Shou Yang, Wei-Der Lee, Jia-Fu Pan
  • Publication number: 20040176243
    Abstract: Chiral chelating agents and chiral catalysts, which are formed from the chiral chelating agents and metal, are described.
    Type: Application
    Filed: July 1, 2003
    Publication date: September 9, 2004
    Inventors: Kwunmin Chen, Kung-Shou Yang, Wei-Der Lee, Jia-Fu Pan