Patents by Inventor Xiao-Tao Chen

Xiao-Tao 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).

  • Publication number: 20050288290
    Abstract: In general, the instant invention comprises compounds of Formulas I and II including pharmaceutically acceptable salts thereof. The compounds of the invention are useful as protein kinase inhibitors and therefore are useful for treating cancer and other protein kinase mediated diseases.
    Type: Application
    Filed: June 24, 2005
    Publication date: December 29, 2005
    Inventors: Robert Borzilleri, Zhong Chen, Tram Huynh, Wayne Vaccaro, Xiao-Tao Chen, Kyoung Kim, Zhen-wei Cai
  • Patent number: 6962938
    Abstract: The present application describes novel spiro-cyclic ?-amino acid derivatives of formula I: or pharmaceutically acceptable salt forms thereof, wherein ring B is a 3-13 membered carbocycle or heterocycle, ring C forms a 3-11 membered spiro-carbocycle or spiro-heterocycleon ring B, and the other variables are defined in the present specification, which are useful as as matrix metalloproteinases (MMP), TNF-? converting enzyme (TACE), and/or aggrecanase inhibitors.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: November 8, 2005
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Gregory R. Ott, Xiao Tao Chen, Jingwu Duan, Matthew E. Voss
  • Publication number: 20050171136
    Abstract: Novel non-steroidal compounds are provided which are glucocorticoid receptor modulators which are useful in treating diseases requiring glucocorticoid receptor agonist or antagonist therapy such as obesity, diabetes, inflammatory and immune disorders, and have the structure where Z is CONR1R2 or CH2NR1R2 and where R, Ra, Rb, Rc, Rd, Z, A and B are defined herein.
    Type: Application
    Filed: March 21, 2005
    Publication date: August 4, 2005
    Inventors: Wayne Vaccaro, Bingwei Yang, Soong-Hoon Kim, Tram Huynh, David Tortolani, Kenneth Leavitt, Wenying Li, Arthur Doweyko, Xiao-Tao Chen, Lidia Doweyko
  • Patent number: 6825215
    Abstract: The present application describes novel 1,1-disubsituted cyclic derivatives of formula I: or pharmaceutically acceptable salt forms thereof, wherein ring B is a 3-8 membered non-aromatic ring consisting of: carbon atoms, 0-1 carbonyl groups, 0-1 double bonds, and from 0-2 ring heteroatoms selected from O, N, NR2, S, S(O), and S(O)2 and the other variables are defined in the present specification, which are useful as metalloprotease and as TNF-&agr; inhibitors.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: November 30, 2004
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Xiao-Tao Chen, Chu-Biao Xue
  • Publication number: 20040132693
    Abstract: The present application describes novel spiro-cyclic &bgr;-amino acid derivatives of formula I: 1
    Type: Application
    Filed: December 18, 2003
    Publication date: July 8, 2004
    Applicant: Bristol-Myers Squibb Pharma Company
    Inventors: Gregory R. Ott, Xiao Tao Chen, Jingwu Duan, Matthew E. Voss
  • Publication number: 20040132758
    Abstract: Novel non-steroidal compounds are provided which are glucocorticoid receptor modulators which are useful in treating diseases requiring glucocorticoid receptor agonist or antagonist therapy such as obesity, diabetes, inflammatory and immune disorders, and have the structure 1
    Type: Application
    Filed: July 17, 2003
    Publication date: July 8, 2004
    Inventors: Wayne Vaccaro, Bingwei Vera Yang, Soong-Hoon Kim, Tram Huynh, David R. Tortolani, Kenneth J. Leavitt, Wenying Li, Arthur M. Doweyko, Xiao-Tao Chen, Lidia Doweyko
  • Publication number: 20040102607
    Abstract: The present invention provides novel &agr;-O-linked glycoconjugates such as &agr;-O-linked glycopeptides, as well as convergent methods for the synthesis thereof. The general preparative approach is exemplified by the synthesis of the mucin motif commonly found on epithelial tumor cell surfaces. The present invention further provides compositions and methods of treating cancer using the &agr;-O-linked glycoconjugates.
    Type: Application
    Filed: June 19, 2003
    Publication date: May 27, 2004
    Inventors: Samuel J. Danishefsky, Dalibor Sames, Samuel Hintermann, Xiao Tao Chen, Jacob B. Schwarz, Peter Glunz, Govindaswami Ragupathi, Philip O. Livingston, Scott Kuduk, Kenneth O. Lloyd, Lawrence Williams, Valery Kudryashov
  • Patent number: 6740649
    Abstract: The present application describes novel cyclic hydroxamic acids of formula I: or pharmaceutically acceptable salt forms thereof, wherein ring B is a 5-7 membered cyclic system containing from 0-2 heteroatoms selected from O, N, NR1, and S(O)p, and 0-1 carbonyl groups and the other variables are defined in the present specification, which are useful as inhibitors of matrix metalloproteinases (MMP), TNF-&agr; converting enzyme (TACE), aggrecanase or a combination thereof, pharmaceutical compositions containing the same, and methods of using the same.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: May 25, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: Gregory R. Ott, Xiao-Tao Chen, Jingwu Duan, Zhonghui Lu
  • Patent number: 6720329
    Abstract: The present application describes novel spiro-cyclic &bgr;-amino acid derivatives of formula I: or pharmaceutically acceptable salt forms thereof, wherein ring B is a 3-13 membered carbocycle or heterocycle, ring C forms a 3-11 membered spiro-carbocycle or spiro-heterocycleon ring B, and the other variables are defined in the present specification, which are useful as as matrix metalloproteinases (MMP), TNF-&agr; converting enzyme (TACE), and/or aggrecanase inhibitors.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: April 13, 2004
    Assignee: Bristol-Myers Squibb Pharma
    Inventors: Gregory R. Ott, Xiao Tao Chen, Jingwu Duan, Matthew E. Voss
  • Patent number: 6660714
    Abstract: The present invention provides novel &agr;-O-linked glycoconjugates such as &agr;-O-linked glycopeptides, as well convergent methods for synthesis thereof. The general preparative approach is exemplified by the synthesis of the mucin motif commonly found on epithelial tumor cell surfaces. The present invention further provides compositions and methods of treating cancer using the &agr;-O-linked glycoconjugates.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: December 9, 2003
    Assignee: Sloan Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Dalibor Sames, Samuel Hintermann, Xiao-Tao Chen, Jacob B. Schwartz, Peter Glunz, Govindaswami Ragupathi, Philip O. Livingston, Scott Kuduk, Lawrence Williams
  • Publication number: 20030139388
    Abstract: The present application describes novel cyclic hydroxamic acids of formula I: 1
    Type: Application
    Filed: September 16, 2002
    Publication date: July 24, 2003
    Inventors: Gregory R. Ott, Xiao-Tao Chen, Jingwu Duan, Zhonghui Lu
  • Publication number: 20030087882
    Abstract: The present application describes novel spiro-cyclic &bgr;-amino acid derivatives of formula I: 1
    Type: Application
    Filed: March 12, 2002
    Publication date: May 8, 2003
    Inventors: Gregory R. Ott, Xiao Tao Chen, Jingwu Duan, Matthew E. Voss
  • Publication number: 20030083235
    Abstract: The present invention provides novel &agr;-O-linked glycoconjugates such as &agr;-O-linked glycopeptides, as well convergent methods for synthesis thereof. The general preparative approach is exemplified by the synthesis of the mucin motif commonly found on epithelial tumor cell surfaces. The present invention further provides compositions and methods of treating cancer using the &agr;-O-linked glycoconjugates.
    Type: Application
    Filed: July 25, 2002
    Publication date: May 1, 2003
    Inventors: Samuel J. Danishefsky, Dalibor Sames, Samuel Hintermann, Xiao Tao Chen, Jacob B. Schwarz, Peter Glunz, Govindaswami Ragupathi, Philip O. Livingston, Scott Kuduk, Lawrence Williams
  • Publication number: 20020137734
    Abstract: The present application describes novel 1,1-disubsituted cyclic derivatives of formula I: 1
    Type: Application
    Filed: January 9, 2002
    Publication date: September 26, 2002
    Inventors: Xiao-Tao Chen, Chu-Biao Xue
  • Patent number: 6172205
    Abstract: This invention provides a process for the preparation of a Eleutherobin derivative of the formula: wherein R1 is a hydrogen, ester, nitrile or C2H4—R wherein R4 is a carbohydrate, an alcohol an amine, an amide, an alkyne, or, R2 is a linear or branched alkyl moiety, R3 is an ester, an amide, a carbamate, an acetal compound,an ether or a urethane, R4 is a hydrogen or CH2,position C2 and C3 is cis or trans,position C8 is &agr; or &bgr; and a compound is produced having the structures: Additionally, this experiment provides a method for inhibiting growth of cancerous cells comprising contracting an amount of Eleutherobin derivative effective to inhibit the growth of said cells. Further provided is a method for treating cancer in a subject which comprises administering to the subject a therapeutically effective amount of the Eleutherobin derivative.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: January 9, 2001
    Assignee: The Trustees of Columbia in the City of New York
    Inventors: Samuel J. Danishefsky, Xiao-Tao Chen, Clare E. Gutteridge, Samit K. Bhattacharya, Bishan Zhou