Patents by Inventor Libing Chen

Libing Chen 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: 6964971
    Abstract: The invention relates generally to naphthyridine derivatives of the formula wherein one of U, X, Y and Z is nitrogen and the others are C—R, where R is hydrogen or a substituent. More specifically, the invention relates to 1,6-naphthyridine derivatives and pharmaceutical compositions containing such derivatives. Methods of the invention comprise administration of a naphthyridine derivative of the invention for the treatment of diabetes and related disorders.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: November 15, 2005
    Assignee: Bayer Pharmaceuticals Corporation
    Inventors: Yamin Wang, William H. Bullock, Libing Chen
  • Publication number: 20050192294
    Abstract: The present invention relates to heteroarylaminopyrazole compounds, pharmaceutical compositions, and methods for treating diabetes and related disorders.
    Type: Application
    Filed: February 24, 2005
    Publication date: September 1, 2005
    Applicant: Bayer Pharmaceuticals Corporation
    Inventors: Joachim Rudolph, Philip Wickens, Chih-Yuan Chuang, Libing Chen, Steven Magnuson, Alan Olague, Ning Qi
  • Publication number: 20040157875
    Abstract: The invention relates generally to naphthyridine derivatives of the formula 1
    Type: Application
    Filed: October 10, 2003
    Publication date: August 12, 2004
    Applicant: Bayer Pharmaceuticals Corporation
    Inventors: Yamin Wang, William H. Bullock, Libing Chen
  • Publication number: 20040157904
    Abstract: The present invention relates to anilinopyrazole compounds, pharmaceutical compositions, and methods for treating diabetes and related disorders.
    Type: Application
    Filed: November 21, 2003
    Publication date: August 12, 2004
    Applicant: Bayer Pharmaceuticals Corporation
    Inventors: Joachim Rudolph, Louis-David Cantin, Steven Magnuson, William Bullock, Ann-Marie Bullion, Libing Chen, Chih-Yuan Chuang, Sidney Liang, Dyuti Majumdar, Herbert Ogutu, Alan Olague, Ning Qi, Philip L. Wickens
  • Patent number: 6677352
    Abstract: The invention relates generally to naphthyridine derivatives of the formula wherein one of U, X, Y and Z is nitrogen and the others are C—R, where R is hydrogen or a substituent. More specifically, the invention relates to 1,6-naphthyridine derivatives and pharmaceutical compositions containing such derivatives. Methods of the invention comprise administration of a naphthyridine derivative of the invention for the treatment of diabetes and related disorders.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: January 13, 2004
    Inventors: Yamin Wang, William H. Bullock, Libing Chen