Patents by Inventor Xicheng David Sun

Xicheng David Sun 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: 20140294763
    Abstract: The present invention relates to peptidomimetic compounds useful as protease inhibitors, particularly as serine protease inhibitors and more particularly as hepatitis C NS3 protease inhibitors; intermediates thereto; their preparation including novel steroselective processes to intermediates. The invention is also directed to pharmaceutical compositions and to methods for using the compounds for inhibiting HCV protease or treating a patient suffering from an HCV infection or physiological condition related to the infection. Also provided are pharmaceutical combinations comprising, in addition to one or more HCV serine protease inhibitors, one or more interferons exhibiting anti-HCV activity and/or one or more compounds having anti HCV activity and a pharmaceutically acceptable carrier, and methods for treating or preventing a HCV infection in a patient using the compositions. The present invention is also directed to a kit or pharmaceutical pack for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: June 17, 2014
    Publication date: October 2, 2014
    Inventors: Robert Edward Babine, Shu Hui Chen, Ivan Collado-Cano, Maria Cristina Garcia Paredes, John Irvin Glass, Ling Jin, Jason Eric Lamar, Raymond Samuel Parker, III, Nancy June Snyder, Xicheng David Sun, Deqi Guo, Yvonne Yee Mai Yip, May Q. Wang, Victor Frantz, Mark Joseph Tebbe, Robert B. Perni, Luc J. Farmer
  • Patent number: 8529882
    Abstract: The present invention relates to peptidomimetic compounds useful as protease inhibitors, particularly as serine protease inhibitors and more particularly as hepatitis C NS3 protease inhibitors; intermediates thereto; their preparation including novel stereoselective processes to intermediates. The invention is also directed to pharmaceutical compositions and to methods for using the compounds for inhibiting HCV protease or treating a patient suffering from an HCV infection or physiological condition related to the infection. Also provided are pharmaceutical combinations comprising, in addition to one or more HCV serine protease inhibitors, one or more interferons exhibiting anti-HCV activity and/or one or more compounds having anti HCV activity and a pharmaceutically acceptable carrier, and methods for treating or preventing a HCV infection in a patient using the compositions. The present invention is also directed to a kit or pharmaceutical pack for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: September 10, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Robert Edward Babine, Shu Hui Chen, Ivan Collado, Cristina Garcia-Paredes, John Irvin Glass, Ling Jin, Jason Eric Lamar, Raymond Samuel Parker, III, Nancy June Snyder, Xicheng David Sun, Deqi Guo, Yvonne Yee Mai Yip, Q. May Wang, Frantz Victor, Mark Joseph Tebbe, Robert B. Perni, Luc Farmer
  • Publication number: 20120282219
    Abstract: The present invention relates to peptidomimetic compounds useful as protease inhibitors, particularly as serine protease inhibitors and more particularly as hepatitis C NS3 protease inhibitors; intermediates thereto; their preparation including novel stereoselective processes to intermediates. The invention is also directed to pharmaceutical compositions and to methods for using the compounds for inhibiting HCV protease or treating a patient suffering from an HCV infection or physiological condition related to the infection. Also provided are pharmaceutical combinations comprising, in addition to one or more HCV serine protease inhibitors, one or more interferons exhibiting anti-HCV activity and/or one or more compounds having anti HCV activity and a pharmaceutically acceptable carrier, and methods for treating or preventing a HCV infection in a patient using the compositions. The present invention is also directed to a kit or pharmaceutical pack for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: July 3, 2012
    Publication date: November 8, 2012
    Applicant: VERTEX PHARMACEUTICALS INCORPORATED
    Inventors: ROBERT EDWARD BABINE, SHU HUI CHEN, IVAN COLLADO, CRISTINA GARCIA-PAREDES, JOHN IRVIN GLASS, DEQI GUO, LING JIN, JASON ERIC LAMAR, RAYMOND SAMUEL PARKER, III, NANCY JUNE SNYDER, XICHENG DAVID SUN, MARK JOSEPH TEBBE, FRANTZ VICTOR, Q. MAY WANG, YVONNE YEE MAI YIP, ROBERT B. PERNI, LUC FARMER
  • Publication number: 20120064034
    Abstract: The present invention relates to peptidomimetic compounds useful as protease inhibitors, particularly as serine protease inhibitors and more particularly as hepatitis C NS3 protease inhibitors; intermediates thereto; their preparation including novel steroselective processes to intermediates. The invention is also directed to pharmaceutical compositions and to methods for using the compounds for inhibiting HCV protease or treating a patient suffering from an HCV infection or physiological condition related to the infection. Also provided are pharmaceutical combinations comprising, in addition to one or more HCV serine protease inhibitors, one or more interferons exhibiting anti-HCV activity and/or one or more compounds having anti HCV activity and a pharmaceutically acceptable carrier, and methods for treating or preventing a HCV infection in a patient using the compositions. The present invention is also directed to a kit or pharmaceutical pack for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 15, 2012
    Applicant: VERTEX PHARMACEUTICALS INCORPORATED
    Inventors: ROBERT EDWARD BABINE, SHU HUI CHEN, IVAN COLLADO, CRISTINA GARCIA-PAREDES, JOHN IRVIN GLASS, DEQI GUO, LING JIN, JASON ERIC LAMAR, RAYMOND SAMUEL PARKER, III, NANCY JUNE SNYDER, XICHENG DAVID SUN, YVONNE YEE MAI YIP, Q. MAY WANG, FRANTZ VICTOR, MARK JOSEPH TEBBE, ROBERT B. PERNI, LUC FARMER
  • Patent number: 7820671
    Abstract: The present invention relates to peptidomimetic compounds useful as protease inhibitors, particularly as serine protease inhibitors and more particularly as hepatitis C NS3 protease inhibitors; intermediates thereto; their preparation including novel steroselective processes to intermediates. The invention is also directed to pharmaceutical compositions and to methods for using the compounds for inhibiting HCV protease or treating a patient suffering from an HCV infection or physiological condition related to the infection. Also provided are pharmaceutical combinations comprising, in addition to one or more HCV serine protease inhibitors, one or more interferons exhibiting anti-HCV activity and/or one or more compounds having anti HCV activity and a pharmaceutically acceptable carrier, and methods for treating or preventing a HCV infection in a patient using the compositions. The present invention is also directed to a kit or pharmaceutical pack for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: October 26, 2010
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Robert Edward Babine, Shu Hui Chen, Ivan Collado, Cristina Garcia-Paredes, John Irvin Glass, Deqi Guo, Ling Jin, Jason Eric Lamar, Raymond Samuel Parker, III, Nancy June Snyder, Xicheng David Sun, Mark Joseph Tebbe, Frantz Victor, Q. May Wang, Yvonne Yee Mai Yip, Robert B. Perni, Luc Farmer
  • Publication number: 20030008814
    Abstract: A pseudomycin prodrug represented by structure (A) where R1 is a phosphate benzyloxycarbamate or phosphate methyleneoxycarbamate linkage is described. The phosphate prodrug demonstrates antifungal activity with less adverse side effects than the parent pseudomycin compound.
    Type: Application
    Filed: May 21, 2002
    Publication date: January 9, 2003
    Inventors: Shu Hui Chen, Xicheng David Sun, Yanzhi Zhang