Patents by Inventor Chung-Niang Yao

Chung-Niang Yao 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).

  • GABA analogs, compositions and methods for manufacturing thereof
    Patent number: 7879906
    Abstract: The invention provides compounds of Formula (I), pharmaceutical compositions and methods of synthesis thereof.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 1, 2011
    Assignee: Anchen Laboratories, Inc.
    Inventors: Jenn-Tsang Hwang, Chrong-Shiong Hwang, Yow-Lone Chang, Chung-Niang Yao
  • GABA ANALOGS, COMPOSITIONS AND METHODS FOR MANUFACTURING THEREOF
    Publication number: 20080125483
    Abstract: The invention provides novel compounds of Formula (I), pharmaceutical compositions and methods of synthesis thereof.
    Type: Application
    Filed: November 21, 2007
    Publication date: May 29, 2008
    Inventors: Jenn-Tsang Hwang, Chrong-Shiong Hwang, Yow-Lone Chang, Chung-Niang Yao
  • Compound and derivative of gabapentin
    Patent number: 7037939
    Abstract: The present invention relates to a compound represented as formula (I): wherein A is R2-N(R3R4), wherein Ar is a substituted or unsubstituted phenyl group, m is an integer between 0 to 4, Het is a substituted or unsubstituted 4 to 8 member heterocyclic group, n is an integer between 0 to 4; R3 and R4 are independently H, or R2 is or wherein X is (CH2)y—Ar?, R6, or (CH2)z-Het?, wherein Ar? is a substituted or unsubstituted phenyl group, y is an integer between 0 to 2, R6 is a substituted or unsubstituted linear or a branched C1-10 alkyl group, z is an integer between 0 to 2, and Het? is a 6 to 12 member heterocyclic group; B is OR1 or wherein R1 is H or C2-5 alkyl group.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: May 2, 2006
    Assignee: Industrial Technology Research Institue
    Inventors: Jenn-Tsang Hwang, Yu-Long Chang, Chung-Niang Yao, Chrong-Shiong Hwang
  • Compound and derivative of gabapentin
    Publication number: 20040248811
    Abstract: The present invention relates to a compound represented as formula (I): 1
    Type: Application
    Filed: December 31, 2003
    Publication date: December 9, 2004
    Applicant: Industrial Technology Research Institute
    Inventors: Jenn-Tsang Hwang, Yu-Long Chang, Chung-Niang Yao, Chrong-Shiong Hwang
  • Process for manufacturing p-aminophenol
    Patent number: 4885389
    Abstract: A process for the reduction of nitrobenzene is described. The reaction is performed catalytically in an aqueous acid medium in the presence of a small amount of organic acid, such as a lower carboxylic acid, oxalic acid, methanesulfonic acid or trichloroacetic acid.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: December 5, 1989
    Assignee: Industrial Technology Research Institute
    Inventors: Lain-tze Lee, Mei H. Chen, Chung-Niang Yao