Patents by Inventor Chingfan Chiu

Chingfan Chiu 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).

  • Aryl sulfonium salt, polymerizable composition and polymerization method of the same
    Publication number: 20050148679
    Abstract: An aryl sulfonium salt, whose photo-induced products are non-benzene, is represented by the formula (I): wherein Z represents a hydrogen atom or the formula (II): The substituted groups of R1 to R12 are independently a hydrogen atom, a C1 to C12 alkyl group or a C3 to C12 cyclic alkyl group, and each phenyl group independently has at least one of the alkyl group or the cyclic alkyl group; and X? and Y? are independently an anion. A polymerizable composition containing the aryl sulfonium salt and a polymerization method of the same are provided.
    Type: Application
    Filed: December 29, 2003
    Publication date: July 7, 2005
    Inventors: Chingfan Chiu, Chun Tzu Yang
  • 2,4,6-trisubstituted pyridines with estrogenic activity and methods for the solid phase synthesis thereof
    Patent number: 6503917
    Abstract: The present invention relates to novel substituted pyridine compounds of Formula (I) wherein the moiety Z, R1, R2 and R3 are as herein defined, having estrogenic activity, to processes for their preparation, to a combinatorial library and solid phase methods for preparing libraries of the compounds, to utilizing libraries of the compounds for drug discovery, to methods of treatment and to pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: January 7, 2003
    Assignee: Wyeth, Five Giralda Farms
    Inventors: Chingfan Chiu, Zhilian Tang, John W. Ellingboe
  • 2,4,6-trisbstituted pyridines with estrogenic activity and methods for the solid phase synthesis thereof
    Patent number: 6384060
    Abstract: The present invention relates to novel substituted pyridine compounds of Formula (I) wherein the moiety Z, R1, R2 and R3 are as herein defined, having estrogenic activity, to processes for their preparation, to a combinatorial library and solid phase methods for preparing libraries of the compounds, to utilizing libraries of the compounds for drug discovery, to methods of treatment and to pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: May 7, 2002
    Assignee: American Home Products Corporation
    Inventors: Chingfan Chiu, Zhilian Tang, John W. Ellingboe
  • 2,4,6-trisubstituted pyridines with estrogenic activity and methods for the solid phase synthesis
    Patent number: 6384057
    Abstract: The present invention relates to novel substituted pyridine compounds of Formula (I) wherein the moiety Z, R1, R2 and R3 are as herein defined, having estrogenic activity, to processes for their preparation, to a combinatorial library and solid phase methods for preparing libraries of the compounds, to utilizing libraries of the compounds for drug discovery, to methods of treatment and to pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: May 7, 2002
    Assignee: American Home Products Corporation
    Inventors: Chingfan Chiu, Zhilian Tang, John W. Ellingboe
  • 2,4,6-trisubstituted pryridines with estrogenic activity and methods for the solid phase synthesis thereof
    Patent number: 6384058
    Abstract: The present invention relates to novel substituted pyridine compounds of Formula (I) wherein the moiety Z, R1, R2 and R3 are as herein defined, having estrogenic activity, to processes for their preparation, to a combinatorial library and solid phase methods for preparing libraries of the compounds, to utilizing libraries of the compounds for drug discovery, to methods of treatment and to pharmaceutical compositions thereof.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: May 7, 2002
    Assignee: American Home Products Corporation
    Inventors: Chingfan Chiu, Zhilian Tang, John W. Ellingboe